You're allowed to disagree. Vociferously if that's your desire. If you post a good counter rant, people will probably enjoy reading it even if you are just ranting. Including reasonable sounding counter arguments would be nice too, but it's not required.
It's called "discourse". Differing opinions are voiced and compared to each other, not in search of "Universal Truth", but because different things work better or worse for different people. Greater awareness of the scope of possibility allows individuals to find the things that work best for them. Society as a whole benefits, eventually; at the cost of lots of noise... which we seem to have regardless.
Font ligatures are 100% subjective aesthetic. There is no rant worth reading about it (including this blog post).
Either you like them or you don't and it doesn't affect anyone else's machine. It doesn't matter if it's pure Unicode or whatever loosely connected complex faux objective reasoning you can drum up to support your subjective view.
I didn't like them, but then I did get used to them and I prefer them for JS/TS (only FiraCode's specifically), let me stretch that into an article...
But if he was, it would be OK, no?