If elon musk creates stable coins, of course this is a good thing to make cryptocurrencies even more popular, the presence of stable coins is the right solution when people want to park assets, moreover, elon musk has big ambitions to make cryptocurrencies shine even more, we hope he uses the new network a stronger and cheaper one like Fantom or MATIC.
I think the current public chain is completely sufficient. I think he is so rich, he should really do things that really develop the encryption industry, instead of putting interests first.