Material is just a set of guidelines. It's up to the implementer, Google included, to abide by them. Apple has violated their own design guidelines on many occ

Material is just a set of guidelines. It's up to the implementer, Google included, to abide by them. Apple has violated their own design guidelines on many occasions. Google has just never had anything like this (or at least to this degree of detail) in place, so they have much more distance to cover in order to catch up.