I think they are sacrifices to build a case for Trump having to step down. They are going to say we purged all these bad actors of ours. You have to do the same. They are going to try to make it impossible for any Trump to stay no matter how baseless their accusations are.
No, I think these (bad) actors had to leave because they were guilty as sin and it was about to come out. Trump and Moore have the benefit of innocence, hopefully.
Their argument will be a "body count". Something like "We have killed off 20 of our old, lesser and outdated icons, Trump has got to go in return".
Bingo! The leftists are being accused and are admitting the charges are true. And none of the politicians are being asked to resign.
Trump is accused by people who say it happened 40 years ago and categorically denies the accusations.
I also think the purge is of anti Clintonian players and to pave the way for a female president.