Adrian and Musk were on the same twitter space call once and even conversed a bit. Maybe that video was fake or just really well done by him with voice changers, but honestly I think it's just a coincidence that these two idiots sound alike.
Yes it would be really funny if musk did this but reddit also is going wild over this and I think in the end it will just for once turn out that musk Musk didn't do something.