Bitcoin exists to solve the principal-agent problem that comes with delegating control of the money supply to singular institutions. If you look at the history of empires, from the Romans to the Han, it is littered with instances of societal decline as a direct result of inflation and overspending. This unilateral currency debasement is much harder if the collective (and global) definition of money is determined by d…
Speaking of Bitcoin specifically, if this is your view then you should take some time to understand the severe societal and economic problems that come with persistent deflation. And more generally, determining the optimal level of the money supply to match the needs of a dynamic economy is not trivial — there is no simple formula involving straightforwardly measurable variables that I am aware of.
Personally, I don't think a deflationary global reserve currency is the precise answer, but I do believe that these experiments in monetary governance (like Ethereum's burn and mint model) will allow us to move closer to it.