I would like to think that is exactly why Elon Musk has stated he will donate $45mln a month to the Trump campaign.
If he actually does it, he will do it for 3 to 4 months and it will cost him $135M to $180M for donation to Trump campaign.
If Trump win the President Election in November, Elon Musk's companies can get some advantageous benefit from Trump administration in the White House but Trump is not above laws and he will have to do administration with consensus from The Congress too.
Elon Musk reportedly plans to give $45m a month to pro-Trump Super Pac.
They hailed Trump as “pro-Bitcoin, pro-crypto, pro-business” in June.
They forgot that Trump is very unpredictable man.
Elon currently owns assets of more than 250 billion USD and donating 200 million USD to Mr. Trump's election campaign is not too difficult for him. Additionally, I think Elon has bigger plans in supporting Trump, not just for the benefit of his companies. With his acquisition of Twitter and his support for the Republican Party, it seems that he is preparing plans to enter politics instead of just serving his business. I wouldn't be surprised if he gets involved in politics in the coming years.
No politician is trustworthy and we should not be quick to believe what they say, but their public support for bitcoin is notable.