Other way around. If your fantasy / sci-fi novel does not sell well, rebrand it as a new groundbreaking "history". Include how it gets ridiculed by main stream science that does maliciously ignore all the evidence.
You have instantly gained a huge, uncritical customer and fan base.
Edited a few typos.
He only proposed the cat thing to show how ridiculous it is to apply quantum mechanics to macroscopic objects. Unfortunately the sarcasm was missed and it became the standard example of quantum mechanics.