L4 and L5 are more stable. L2 isn't super stable, hence the need for fuel for station keeping. More polite to vacate on purpose rather than just erratically b

L4 and L5 are more stable. L2 isn't super stable, hence the need for fuel for station keeping. More polite to vacate on purpose rather than just erratically bounce around a nearby orbit after fuel runs out. Idk if I'd describe any of them as "deep gravity well"