I think when you are already a MusicBrainz user, you don’t use the homepage that much.
I always go to MB from an artist or a release (group) search.
It can be a browser search or a DDG !bang.
But when I go to a web site for the first times, I expect to understand the purpose of the web site from its homepage, without seeing any other funny stuff, there.
For me the most important things in the MB HP are…
I think the homepage is already perfect.