Then find more people
Being social is being aggressive, it's taking the initiative

So what your saying is it would be better if he posted in politics
But for whatever reason he dosent
That dosent mean we should forbid him from posting here, weather or not it's politics

You can condone or suggest to him to post there all you want, bit there's definitely a reason he's posting them here, I think he just likes the community or something

On a side note, I enjoy his posts, there's something actually to them yaknow

You could like
Have a real conversation with real people

That means he didn't vote no for himself