I used to think that yes, money had to increase with increasing productivity and population. But I came across Jeff Booth where talks about how the future is deflationary but the system is only built on inflation, so we have these two opposing forces.
Inflation is tax, simple as that, and things should actually get cheaper when the costs to produce them go down. But of course if you increase people all chasing the same thing, then if money supply doesn't increase, prices will naturally go up.
But I do think that the government is the worst at controlling the money supply. Just like we have a separation of religion and the state, we need this separation from the government and money. The government should after all only collect taxes and allocate those funds in such a way as to serve the greatest number in the best way possible. Giving them the power to print money and to set interest rates is exactly why we are in this mess. Capitalism works, but what we have a fake form where we privatize the gains and socialize the losses, so its not really capitalism.
The best way forward, and what the world right now is desperately needing is a system that is outside of the control of any one entity. Crypto is the only way forward. I will not trust anything or anyone else, and if you have no trust in a system, you have nothing.
Again, if one accepts the great value of fractional reserve baking in providing, simultaneously, improved living standards and greater opportunity for economic advancement, than one has to accept that significant deflation is harmful and must be avoided just as high inflation rates must be avoided.