This just makes me wonder why English has to have the stupid things, if German has managed OK without them for all this time. Funny though that German pedants are getting annoyed for essentially the opposite reason that upsets English-speaking ones.
www.theguardian.com

Germans decry influence of English as ‘idiot’s apostrophe’ gets official approval
Linguistic body has relaxed rules on use of apostrophe to show possession, not traditionally correct in German