Let's use warcraft raiding as an example, you have three tiers of raiding:
Looking for raid: a group of random people go in and basically ignore all the mechanics and just dps the boss down no real effort required but you also don't learn anything.
This is your rookie x-wing player you pick what seems good and roll some dice having fun but not really learning high end play.
Normal mode: here you need a clue because boss abilities will kill you if you do the fight wrong, if you go in blind you die horribly time after time, however if you watch some videos and read some tactics the boss will die.
This is your experienced casual who decides to start tournaments if you go with a build you like but isn't competitive you'll win the odd match but you won't place in the top, but if you make a better list practice with it you'll do much better.
Mythic: the fights become unforgiving of mistakes but by mastering the fight you get bigger rewards.
This is your champion level player who has as close to perfect a list as possible, knows it inside and out and takes each fight seriously.
A casual player unwilling to do a little study or watch a few videos is a player with no interest in winning the world championships and will never realise that the a-wing is over priced or that the advanced is under gunned.
People who want to up their game will have zero issue learning what's good and what's not.