As somebody who has been around linux almost for as long as it exists, i must say that is a very strong statement.
In real life: systemd IS useful, Wayland is becoming (has become?) the default, ubuntu is the most popular desktop distro family.
My Gentoo system is fully systemd and Wayland based from the start. Might sound like heresy to some users, but it was my decision from the start as I liked how they worked, that they are the future, and that you don’t have to wrangle shell scripts for building an OS. I had used systemd a lot via many Ubuntu servers before, so that helps.
He's not wrong though, the amount of Snap stuff you have to remove in a fresh install is starting to get a bit annoying (I usually remove at least the Snap versions of Firefox and Thunderbird and replace them with binaries from Mozilla - they will still self-update).
In my experience, Snap is frustrating to use, buggy and is opinionated in ways I don't like.
It's also a weird choice for servers running Ubuntu. I recall some CLI utilities being moved to Snap and you can't install them with apt anymore.