Hasbro’s estimated value is about $9 billion. Musk could indeed buy it.
And he’d destroy it, not as fast as Twitter, but pretty damn fast, because unlike Twitter, Hasbro is not a single company with a connected set of staffers running it. WotC editors probably do not think of the CEO of Hasbro as their boss, and indeed, there may not be a way for the CEO of Hasbro to randomly hire-and-fire people of all the subsidiary companies.
Hasbro’s holdings include
Kid toys – Funskool (40%, so… it’s shared?), Playskool (incl MLP), Tonka, game things that predate the WotC purchase, like Avalon Hill
Entertainment – 70% of Astley Baker Davies (Peppa Pig), 40% of Discovery Family (most notable production is MLP:FIM)
WotC stuff, including D&D and related video games & online sites
…Musk would destroy a 100-year-old toy company because he doesn’t like dice memes.
However, it may take a move like that for legislatures to step in and say “hrm, maybe we should NOT let billionaires just do whatever they want. Maybe some companies, some activities, some products, have a value that doesn’t directly attach to their price tags.”
Because Musk would entirely be willing to buy Hasbro to make sure there’s a Tonka Cybertruck and let the whole toy-and-game industry go through a cataclysm as he tries to squeeze startup venture-capitalism money out of a multi-continental org that has an established customer base that are extremely picky. And litigious.
Twitter users and even employees didn’t find much ability to sue for the shenanigans he pulled there.
People who buy Tonka Trucks and My Little Ponies for their toddler niblings will happily join very large class-action suits if those toys are made with poisonous paint because Musk decided to cut corners in manufacturing costs.