If bad thing happens, it's not Sola Scriptura.
If based thing happens, it's Sola Scriptura.
If two churches can't be reconciled due to differences in interpretation it's more or less Sola Scriptura with one being less than the other.
Good luck with your worldview.
I would agree with you on mainline Protestantism. But the problem here isn't Protestantism—it's a lack of belief in the Scriptures as the highest authority.