I would as well. The party tempest cleric, who's been playing the same character for 40 sessions (2-3 hours) since level 1, has NEVER used his "deal damage to someone who hit me" ability without being reminded of it. Most of the times he's used his CD to maximize lightning damage, it's been because I (the DM) have asked "Hey, do you want to maximize that?". It took several sessions for him to remember to add the +1d8 thunder damage to his melee attacks. He regularly will roll a dice to hit and say "11" because he rolled an 11, and has to be prompted to add his modifier (PB 4 + 2 str +2 weapon = 8) which he then has to find on his character sheet.
I saw him making a clean copy last night so maybe things will improve a bit.
You play with the players you have, and accept that optimized play with everyone knowing everything their characters can do is something that only happens online. Excessive complexity is definitely a barrier for some people.