Something as simple as auto-flagging any account that changes its name and picture after posting to elon musk , or if an account changes its name and picture and then subsequently posts to musk, could help. Fase positives are problem with any solution.
But also, the scam is so hard to stop and and so persistent in large part because it is so profitable for the scammer. This creates a great incentive for the scammer to devote considerable effort to evading twitter's efforts to stop it. Just making .1 btc is like a year's worth of wages if you live in a poor country, and people send way more than that. It beats selling v1gra, p0ker, etc. Nothing comes close to it.