“Credible” isn't the same as “true” or even “more likely than not to be true”, even though it has recently become popular for credible allegations of certain wrongs to be treated as if they were proven true.
> Are you saying that companies should still pay severance to employees fired for sexual assault?
If a contract requires payment unless a certain wrong has been done, a party finding it credible that the wrong has been done that would relieve it of it's obligations, even if it would get a trier of fact to the same conclusion, hasn't actually established that it is free of the obligation.
Contract vs. at-will employment presents different considerations.
Google for "golden parachute" and "termination clause", e.g. https://www.thebalancecareers.com/golden-parachute-2276017. Yes, when you're valuable enough, you can actually require as part of your employment agreement that your employer pay you massive amounts of money for being terminated, even if it's for cause. Had they tried not to pay out the golden parachute, it would have been an open and shut case ending in a loss for them. (And, believe me, they wouldn't have been even remotely tempted to try because every executive there also has their own personal golden parachute.)
The point is, while Google itself determined that they had enough evidence to conclude that Rubin harassed someone, they probably didn't think they had enough evidence to convince a jury. All I'm saying is that the company should choose the least harmful option. Sometimes, being inflexible does more harm than good. For all we know, bringing this to trial would have made Google and the victim look like the bad guys, while the harasser looks like a hero standing up to a deceitful corporation. Instead, Google played it safe and chose not to risk it's reputation (which is an act of self interest) but also to avoid risking the reputation of the alleged victim (which is a benefit). Was this the right decision? Ultimately we'll never know short of inventing a time machine, but saying that Google unambiguously chose the worse of two options is short sighted.