Speaking of overhype, Naomi Osaka out in 3rd round of the Olympics. Yeah her career is over.
You don't know shit about tennis. I haven't followed it in some years, but a shit ton of very good players get upset in many earlier rounds in tons of tournaments, have bad years, then good ones. Just a quick search on Serena's career, and I bolded some highly relevant parts:
https://en.wikipedia.org/wiki/Serena_Williams
"
At the 2005 Australian Open, Williams rejected suggestions that she and sister Venus were a declining force in tennis, following Venus's early exit.
[103] Williams saved three match points to defeat Sharapova 8–6 in the third of their semifinal. In the final, Williams defeated top seed Davenport to win her second Australian Open and seventh Grand Slam singles title, winning 12 of the last 15 games.
[104] The win moved Williams back to No. 2 but stated she was targeting the top spot.
[105]
Williams completed just two tournaments between the Australian Open and Wimbledon, losing to Venus in Miami and at Internazionali BNL d'Italia to Francesca Schiavone as Williams suffered a series of retirements and withdraws.[106][107] A reoccurring ankle injury causing her to miss the
French Open.
[108] She returned for
Wimbledon as the 4th-seeded player, but was defeated in the third round by No. 85,
Jill Craybas. At the
US Open, Williams lost to her sister Venus in the fourth round. This was the earliest the sisters had met in a Grand Slam tournament since their first meeting, at the 1998 Australian Open. Williams played just one more match that fall, a loss to No. 127
Sun Tiantian at the
tournament in Beijing.
She failed to qualify for the year-end championship for the first time since 1998 and she finished the year 2005 ranked No. 11, her first time finishing the season outside the top 10 since 1998.[
citation needed]
Williams made her 2006 debut at the
Australian Open.
Defending the title, Williams lost to Daniela Hantuchová in the third round.[109] After the tournament, she told the press that she was injured, blaming a lack of fitness and a knee injury for keeping her off the court.[110] In her biography, Williams claims that she was actually suffering from depression. She stayed away from pro tennis for six months during the 2006 season.
After she had shut herself off from the world for a period, Williams saw a therapist daily.
[111] After a chance meeting with a young girl who idolized Williams and believed that she could still win, Williams signed up to play in Cincinnati,
[112] her first tournament since Melbourne. Williams had slipped to No. 139, the lowest ranking she had held since 1997. On her return, Williams defeated Myskina and
Bethanie Mattek,
[113][114] before losing in the semifinals to
Vera Zvonareva.
[115] She also reached the semifinals in Los Angeles, losing to Janković in straight sets. At the
US Open, Williams needed a wildcard to enter the tournament, as her ranking at the cut-off time was No. 139, outside the automatic 102. Her ranking had improved to 79th by the time the tournament came around.
[116] She lost to top-seeded Mauresmo in the fourth round.
[117] Following the US Open, she did not play again in 2006, ending the year ranked No. 95, her lowest year-end ranking since 1997.[
citation needed]
Williams began 2007 with renewed confidence, stating her intention to return to the top of the rankings,[118] a comment 1987 Wimbledon men's singles champion and commentator Pat Cash branded "deluded".
[119]"
This is just a small sample of Serena's career. So many ups and downs in just a few years, people calling her a 'declining' force in tennis as far back as 2005, and then a men's tennis commentator calling her deluded in 2007 for saying she would get back to the top of the rankings, Serena admitting she was suffering from 'depression', quit for 6 months seeing a therapist, basically mental stress, during some of her losses, needing wildcards to get in, losing in early rounds, and on and on. Do you have a damn clue what Serena did since 2005-2007 in tennis?
Not saying Osaka will be the next Serena by any means, though she does have the athletic talent to be a very good top player in the sport, what I do know for sure is her career could go anywhere from here.