Did I like Gnome 40? Hell, yeah! Is it suck? Hell, yeah!
It sucks because, again, it disrupts my workflow, a little less than Gnome 3, but yet is a redesign with no good reason except the taste of Gnome devs.
Of course they can do whatever they want, but it is disrespectful with users that invested their time not only using but promoting Gnome and its ecosystem.
I have a keyboard-centric workflow and yet it is really annoying how much clicks I need when I use the mouse because despite having keyboard shortcuts there are a lot of stuff in Gnome hidden in menus, buttons and dialogs with no shortcuts at all.
People say the criticism is from people that don't use or don't like Gnome, but it is not true. Gnome users have a lot of criticism but Gnome devs don't care about it. Even developers that build apps using GTK and Gnome have criticism but, again, Gnome devs don't care.
I think Gnome 40 is a good time for both Gnome devs and Gnome users learn how to receive these criticism, from both people inside and outside Gnome community.