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Banks and any other regulated institutions will keep spreading FUDs for Bitcoin regardless, mostly by only random speculation like the bubble will burst as you mentioned. They know they do not have the full control of Bitcoin, so the best they could do is to just spread FUDs for sure. This counts for Musk as well, now that he dug himself a deeper hole from what happened.
At this point, there is not much to do but to test yourself to be a strong hodler.
It is true that there is not much that governments and banks can do to make people leave Bitcoin, because Bitcoin cannot be controlled by anyone.
Therefore, if the government bans Bitcoin, it does not make people stop buying Bitcoin, even by spreading a lot of FUD. Not too many people are affected
by it, still the number of Bitcoin holders is growing. Therefore the price of Bitcoin is still quite high compared to the previous year. This is a sign that
Bitcoin has many strong and patient holders, without being affected by the FUD which is pretty much circulating now.