Money talks. If you were running a software business, would you want to lose half of your customers because you decided to get culturally insensitive? China, Japan, and the rest of East Asia represent a HUGE market that everybody wants to milk.
PS. The apartment building I lived in previously had no room numbers ending in 4. That was a privately owned building, though. I believe goverment-owned apartment buildings do not skip numbers.
PPS. My wife and I got married on a "Buddhist bad luck (butsumetsu)" day, and we had no problems reserving a usually overbooked hotel dining hall. Yay!
