@VBkramnik For up and coming juniors and strong non GMs it might be way harder to break into TOP100 Fide list just because it requires traveling and is expensive, and then there is some cheating online like you imply, we will never know fully.
@ASvanevik Life expectancy if mostly impacted by lifestyle, obesity, addictions and so on. Quality of healthcare in the US is very good for those who can afford it.
@Liv_Boeree Chess IM here. I prefer following human vs human games, even though they are way lower quality, and I like to listen to human commentary for those games apart from checking engine eval.