Well, at least you will dodge that Covid bullet...

Baffling.

The study warns that multiple areas of the spike protein have the potential to cross-react with heart cells.

I assume that your immune system can keep presenting antigen to immune cells even if the antigen is known. If you continuously produce spike it may be a matter of time until an immature immune cell examine the spike from the correct orientation and then you can get the cardio autoimmune problem.