Others consider the view that Meiri wrote his major work to appease non Jews not very credible. How many rishonim advocated consistent positions just for such reasons?!
You seem to follow no true Scotsman fallacy: if a sefer contradicts your teachers, then it’s written for non Jews or by a zionist and thus not a true talmid chacham. This way you eliminate everyone who disagree with you.
Also, it seems that Meiri was not widely printed until 1900s and thus was not as embedded into mesorah as other rishonim, and as you are saying.