That assumes they want to be in a mental institution and deal with the restrictions the mental institution puts on them. That is not a valid assumption in all c

That assumes they want to be in a mental institution and deal with the restrictions the mental institution puts on them. That is not a valid assumption in all cases. Now, in some cases you can involuntarily commit people. However, the catch 22 is that in most of those cases, medications make them no longer a threat to themselves or others in a short amount of time and then the legal basis for holding them and compelling them to take medication vanishes. At which point, if they didn't want help in the first place, they leave and the cycle continues