As a lawyer you shouldn't need reminding that the jury threw out Rapp's civil law suit. And it was a civil case, in other words the burden of proof needed was just 'balance of probabilities', I think in the USA they use the term 'clear and convincing' - rather than the 'beyond reasonable doubt' needed in a criminal case. And at that lower burden of proof the jury - 6 men and 6 women - still found that Rapp's case just wasn't proved.
To compare the allegation made by Rapp to rape is just absurd. He alleged that Spacey pushed him back onto a bed and lay on top of him, both fully clothed. Nothing further was alleged. No attempt to forcibly kiss, no undoing of any clothing, no groping of any kind. Rapp then removed himself from the situation and left the party. Again, no allegation that Spacey tried to stop him leaving.
There are other allegations made against Spacey by others that are very serious. This wasn't one of them. And the jury agreed.
I think the average teenager who accepts an invite to a party with a group of adults, gay or straight, who are partying, and there is alcohol, would do so in the knowledge that something like that might happen. And if unwanted, as long as it stopped immediately, I don't think the average person would view that as sexual assault and something that should go to court. And the jury agreed. I think we need less involvement of the police and the courts in human interactions and human relationships, not more. In serious cases, yes, of course, but not in allegations of this kind. This allegation was verging on trivial.