that's the beauty of distros, those that want traditional package structure can still use a distro that does.
Even the current flatpak first distros like OSTree spins of Fedora (Silverblue, Kinoite et al) provide mutable containers for using any package format you like.
I'm not defending negative nellies - but its is possible to enjoy something and still criticise it. You've attacked me in the past for having a minor criticism. I'm not going to block you over it, I just think twice about whether I want the hassle, but maybe that's just me