Li Shenron
Legend
No.Or even better, after the Nth time they perform an act that isnt LG, inform them that their alignment is shifted to Chaotic X instead.
I am not sure if your comment is ironic but I do not force a change. If the player is not role-playing according to what is written on their character sheet I don't care, it just means that what they wrote is meaningless, but it's their problem.