You can't say that the Schrodinger equation hasn't been experimentally verified. The problem is that we can only practically test it on microscopic objects, which means that people can introduce ad hoc mechanisms like waveform collapse to say it doesn't apply for macroscopic objects.

That's a very odd way of going about things. We can't actually observe galaxies over long enough timescales to be sure that gravity applies to them but their appearance is consistent with the existence of gravity so we don't even both to consider the possibility that there might be some separate force causing them to look that way.