I'm only in my third year and, to be honest, I hadn't thought about these things much, until Saylor discussed it on WBD.
I have yet to hear a good argument against the points he made. Most of the push back is emotionally based, without much substance.
OPs are the first to trash Ethereum for their "move fast and break things" mindset. Yet, here they are trying to rationalise why "move carefully and build things right" is an elitist mindset...