it makes sense if you believe that Google has zero business interest in UI/UX. they've learned that they can shovel out pretty much anything and as long as the

it makes sense if you believe that Google has zero business interest in UI/UX. they've learned that they can shovel out pretty much anything and as long as they don't directly charge the end-user and they're able to put ads on it (or otherwise monetize it against the interest of the end user), they just don't care. they've been criticized for years and years over their lack of standardization and relatively poorly-informed design choices especially when compared with Apple's HIG.