You can only print so much money though before the dollar becomes worthless, so there is an opportunity cost since you can't print infinite dollars
Stop using what you learned in your Econ 1XX level courses to try and reason about government spending and money operations, especially, US government spending and money operations. What you learned is not applicable.
Otherwise, does it matter? What's the impact on ordinary people if bitcoin is worth 100 or 1 mio dollars? Notwithstanding the fact that the number of people actively buying financial assets has gone up a lot in recent years, which is bound to increase prices.
I keep hearing that it's supply shortages due to covid and wage increases due to unemployment aid.
Who knows if that is true, either.