Being a heretic is hard. It’s easy to be irreverent and to go against currently favored theories, but it’s hard to do it well. You don’t get serious points by saying Einstein is wrong and then making some crappy argument against him, even if the argument is rhetorically strong. You get serious points for doing the theoretical and empirical homework that actually shows Einstein is wrong.
Time and energy in our finite lives are limited. If you want someone to take the time to read and understand your radical theory, you’ve got to do the homework to understand the currently favored theories and why they are favored. If you haven’t done the hard homework, then your theory is probably wrong.