You can't inflation-proof purchasing power against price rises, and trying to ration out a truly fixed money supply against a growing economy creates other problems. But Turkey really has just chosen a disastrous path through Erdogan and his poor economic understanding.
(not unusual, of course, we got a tiny blip of this in the UK during the brief reign of Liz Truss, but the electorate are willing to punish that and do not prioritize culture war over economic stability. Yet.)