That Canonical guy is not coming off brilliantly there. I appreciate that reasonable people can disagree on the best way to package this, but these kind of strong absolute statements – together with calling useful features "misguided" and "crap" – is not great, to put it mildly.
I'm pretty sure some compromise could theoretically be reached here. But not with that attitude. "It is our responsibility to our users to provide them the most secure option possible as the default"? You know what would be even more secure? To disable all networking in any program, and in fact, in Linux itself. Actually, it's even more secure to just not give people a computer at all. This is one of those stupid discussion-stoppers.
These kind of Highly Opinionated Maintainers™ has always been what put me off from Debian (and by extension, Ubuntu). I want to use KeePassXC, not "KeePassXC as some random guy thinks it should have been".