Buff hoplite as anticav. After going cav myself, I didn't realize how easy it was to attack hoplites (with ~150 length weapons).
Hoplites as anticav need a backup weapon in order to properly deal damage to the horse after stopping them. Stopping the horse does miniscule damage most of the time against the average hoplite. Reason why hoplite can't just take shield off is because the hoplite is still screwed if he dehorses and doesn't kill the rider.
Cav can just bide their time and wait if you have an unsheathable anti-cav weapon, too.
Not to mention, cav can stab you when you stop them or after you stop them so they can get away.