I think the issue here is Apple and Samsung disclosed publicly that data for xyz is sent back but Xiaomi never did so that's why they view it as spying. I belie

I think the issue here is Apple and Samsung disclosed publicly that data for xyz is sent back but Xiaomi never did so that's why they view it as spying. I believe Apple had a similar issue when they were discovered to be recording your geo locations but never telling the public about it.