our damaging the doc by spreading these nasty rumours with absolutely nothing to back it up.

Again "you're". And, further, I'm not damaging anything by repeating something everyone in this sub has already seen 147 times. I would say you're damaging the Doc by trying to create this fallacious link between streaming and infidelity.

I think the fact he has been off stream for over 3 weeks suggests the streaming is an issue for them.

Only if you have the critical thinking skills of a carrot. The far more likely answer is that they're spending the time trying to work on their relationship and the luxury of being self-employed gives them an opportunity to do so that some shitty job at a game developer wouldn't give him.