[Markoff]

nobody stops you from taking advantage of cheap Xiaomi hardware and then installing Lineage or whatever custom ROM you like there, that's what i did with my two Xiaomi phones and will do in future also with other brands like LeEco, good luck trying to catch me in your ecosystem

though it might work on majority of population without necessary skills to unlock bootloader, install recovery and ROM

but anyway outside China there are Google services even in Xiaomi phones, so their only advantage is in Chinese market where are dozens of app stores