If its really true Tom did gay things, I would find that quite gross (and sad), but I am not aware of any direct evidence. Yes, lots of stories on the net and roumers etc, but no actual proof.
Secondly, whether he was involved in some gay incedents in his past or not, it does not change the fact that at his peak he was an awesome bodybuilder. Some of his pics at his peak are amazing, and I would prefer him to be remembered for that, rather then to tarnish his achievements with gay stories.