Because, to be fair, there are lots of false rape accusations in the 'common' world, outside of the Hollywood celebs. These false accusations happening at a common-people level is what angers people when they hear "XXX person accused of rape, loses all endorsements and future gigs". At face value, the sensationalized headlines make it seem like Cosby or Weinstein were accused and then executed without proof, it takes a little reading to realize the legitimacy of the accusations that were put against them.