It doesn't aim to make enhancements beyond privacy/security specific ones. In that sense it's more likely to give you issues with certain apps because of things like sandboxed Play services and apps not having access to the device identifier.
That said, I use it and if you're OK with giving up certain things like Google Pay, then I recommend it.
They have to raise money so they can spend money to raise money. Then they've raised twice as much money even though they only have half of it.