Title seems to suggest that Alma Linux is somehow not free software, which is not justified at all by the article. Unless they are trying to say RHEL is free of charge? Which is also not true or mentioned in the text.

Why would you use dwm for floating windows?

Source on that? Not saying I don’t believe you, but an article on the topic would help us know what behavior we’re talking about here.

I use tree style tabs extension, it serves that purpose pretty well