Name the identity politics that any "left" political party has actually engaged in.
Meanwhile, the right has been slinging IDPol for decades now, and people lap it up. White Christian Nationalism is all IDPol. The rural/urban conflict is all IDPol. Men's Rights is IDPol.
"Let's treat people who are not white Christian men as if they're people" is a) not a core campaign plank for any party, and b) not IDPol.
3D IMAX was way later to using circular polarizers (if they ever switched). Were you only watching 3D in IMAX?