Interesting; I agree that there is a line that would make sponsorship odd, even inappropriate, even as there is a place for constructive criticism and positive “we help make things easier”; “let us do some of the work” type ads.

I think it is a bit like the Supreme Court justice’s definition of obscenity; maybe hard to define, but recognizable when one sees it.

(Aside: one of the sites on which I work uses Elementor; I do not find it an improvement at all. I am setting up a site for another volunteer group; thinking of trying Gutenberg on that one. I do see value in reusable blocks, but it is taking major adjustment to use them.)