recommend to add switch in _config.yml post meta

I still can't understand why it was added to disabled by default? Trafic economy or what? What's the reason?

dont know either

All tested. The screenshots are added.

recommend to add switch in _config.yml post meta

I think it's a necessary meta.

Comments system? All tested? Again: need to try why it was added to disabled by default?
If all fine, that's good. But if not? Need to test it carefully. I don't think what it was maded by Vi simply for trafic economy or something like that.

Here is history, but i still no found any arguments on this addition (hide in mobile).

Ok, test it on other possible popular comments system and i think we can merge it. Strange situation.

OK, more comment systems would be tested.

Gitment comment system works fine. The comment count display with Disqus in homepage but not in post page. Check this demo.

Disqus appear not instantly at most time and for now i see comments count in homepage and in post page too. So, i think it's fine.

OK, I doesn't use disqus. It seems all fine.