What's worse, there is no viable alternative to it, though some tries have been made.
The default Android phone comes with loads of bloated and useless apps that spy on you. Unlocking bootloader, installing a custom ROM, installing all your favorite apps is a long and painful process (some vendors take weeks to approve your unlock request).
All of these, in the name of a platform which is'open-source'.
You have to make an effort to get ROMs without GAPPS and even then, Google is making changes to the OS prevent things like MicroG from succeeding.