Earlier quoted context omitted.
I never read Google discriminates between paying customers before. That's such a wild accusation that it requires serious evidence. Edit: I can reply anymore but just supply a link of data handling discrimination between paying customers because that's what you imply by "there is not difference between GSuite customers and normal gmail". It's bullshit https://support.apple.com/en-us/HT202303
You're correct in that Google doesn't discriminate between paying and non-paying customers: It happily abuses the privacy of it's paying customers too. Many of Google's uses of data are not specific to whether or not someone is using G Suite or consumer Gmail as far as I am aware.
https://gsuite.google.com/learn-more/security/security-white...