Seize power?
He was given power by Hidenburg to get a working Reichstag coalition to stop the Communists and other far Left groups from gaining ground.

The existing power structures were then very happy to work with him and saw him as a tool until it was clear he was unassailably in power. Then his annexations of Austria and The Sudentenland were massively popular domestically, even with people who didn’t like him.

People were too happy to overlook the antisemitism, homo/transphobia, and racism in general (especially against Roma, Sindi, and other travellers as well as Slavs) in return for feeling their nation was strong again.

That said, I think I agree with your overall idea. Just being a “terminally online nitpicker”.