For me looking at it simply as a fan, the only thing to come out of this that would be truly beneficial as a consumer and couldn't be done through a partnership deal with WB (especially the way WB is currently being run) is that Peacock and whatever HBO Max turns into would merge meaning one less streaming service. That of course means people losing their jobs because there would be overlap in jobs, but let's be honest, there's just too many streaming services right now.
I'd rather we reconsolidate content a bit - remember when Netflix had a deal for pretty much every studios library? Those were the days. We'll never get back to that and quite frankly it's good that Netflix has competition. But instead of around 8-10 streaming services, i'd prefer around 5-6. Netflix, Disney+ (with Hulu and ESPN+ as tabs inside of the app), HBO Max/Peacock love child, Amazon Video, Apple TV+, and Paramount+. Smaller ones will continue to exist, but those will be the only ones of consequence.
I don't like these mergers and I know many of you don't, but they are happening. Part of why I don't like them is because we're losing part of film history in these mergers. WB is set to become 100 years old and it'll just be gobbled up. Fox is gone. MGM has been sold TWICE now. WB owns their library through the late 70's I believe and then now Amazon owns the new MGM. Lionsgate is prime to be sold, Sony's Entertainment division is something that is being floated, and you also have to think someone will try for HASBRO eventually, if only Hasbro Studios and access to not only the Transformers franchise, but anything based on a HASBRO property. A24 will also probably get bought out eventually, too.
By around 2030-ish, all entertainment companies will be owned by about five parent companies or so at this rate, which is pretty sad.