Gatekeeping based on how much theory you know is no different than gatekeeping based on whether you're bourgeoisie or proletariat. Remember that access to education is a class-based thing in the states. Solidarity takes precedence over all.

My first dungeon in Metaphor was significantly more challenging than P5's 1st. MP is a precious resource, as you weigh the options of continuing for 1 more floor, or head back to replenish. I actually loved this limitation, as it made the classes more compelling.