Google has, with Pixel. And even though the other Android OEMs allow for carrier apps to be preinstalled, it's nothing at all like it used to be. Verizon at one

Google has, with Pixel. And even though the other Android OEMs allow for carrier apps to be preinstalled, it's nothing at all like it used to be. Verizon at one point was requiring feature phones to run a custom Verizon OS. Carriers would arbitrarily disable features on phones. The carriers had complete control over everything up until Apple came along. Even Android enjoys the fruits of Apple's initial demands.