It would make sense for a startup to not have design + Eng resources for this. But X is not a small company. Also they had it implemented in prod for a WHILE. No idea
It’s not him just making a mistake. It’s him doubling down on it and trying to “dunk” on a potential customer. Don’t get me wrong I get that it’s hard sometimes not to take a hit to the ego, but as CEO you have to be more professional about it.