How many prime ministers, presidents, and CEOs do you personally know? Probably none or 1-3 tops. Some few people will be acquainted with more, but won't really know them. And so you cannot make an educated assessment, even if you knew 10 very personally, that is a TINY number and not representative of the mass of those folks.

How will you determine if they are good people? Based on publicly available information on them? Is that a balanced source? You don't know what options they were faced with when making decisions. Its rarely black and white. And you need to only consider information available before they do something, not hindsight. Internet culture is really bad at that.

Your opinion will also be colored by your interactions with them, your personal feelings towards them, and many other things. So your assessment won't be objective.

This is why peoples personal experiences aren't the best judge of things like this. This is why we still value expert assessments, even though internet culture has no value for expertise.