I mean, I don't think the success of Venom and (quite likely) Spider-Man: Into the Spider-Verse is a sign that Sony "throwing everything at the wall to see what sticks" since both of those are banking on two of the most popular IP's they still have access to.
I doubt a Morbius, Jackpot, Silk, or Nightwatch movie would do near as well and those are ostensibly still in production.
I don't think anyone is denying that the DC Universe is incredibly diverse thematically and in terms of characters and genre's, just that there always seems to be announcements of a bunch of different movies and characters without a clear sign of direction or whether they will even actually happen.