"Information you provide to us or upload (including your contact details): we may collect any and all personal information you provide to us, like your name, mobile phone number, email address, delivery address, ID card, driver license, passport details, Mi Account details (e.g. your security related information, name, birthday, gender), order, invoicing details, materials or data you may sync through Mi Cloud or other apps (e.g. photos, contact lists), information in relation to creating an account and participating in the MIUI Forum or other Xiaomi platforms, phone numbers you insert into your contacts or to send a message, feedback, and any other information you provide us."
"Financial information: information related to completing purchases. For example, bank account number, account holder name, credit card number etc."
"Social information: information related to your social activities. For example, current employer, current job title, education background, professional training background etc."
You're agreeing to sharing all of that with Xiaomi the moment you buy one of their phones.
But in the end of the day we're doomed the moment we use the internet haha