sudo apt-get install chromium-browser for some reason installs not a proper apt-get package but is
Installing the chromium snap
I am aware that blocking such installs will not magically establish a maintained package, and would result in an installation failure. But I prefer to get error and install manually - from source or in unlikely cases from snap.
I want to never install anything using snap (for start, due to Snap Store closed-source practice). Especially not silently when I install using
How can I disable snaps in gnome-software centre? is not answering my question as I want to get rid of snap infestation in
apt - not in gnome-software-center.