"The many apps that integrate with Google Play Service for no good reason, like a password manager like 1Password, is pretty depressing though."

AIUI, "Google Play Services" are basically "Android updates for the Android phones that we can't upgrade because carriers won't do it". Everything ends up integrated into it because if you want one up-to-date service Android provides, you'll end up getting it through that. Otherwise the app developer is stuck on just the lowest-common-denominator.

I learned this because I have a phone running 2.2 that if I let it upgrade to Google Play Services, and then upgrade all the other stock apps on the phone that want to use it (YouTube, Gmail), leaves me without about 10MB of space on the device left over. So I shut off the upgrades. I'm not in a hurry to upgrade because it's just not what I want to do with the money.