It could be that site owners use the term users, but the users think of themselves as members. I never call members users, sounds like they are all drug addicts.
It could be that site owners use the term users, but the users think of themselves as members. I never call members users, sounds like they are all drug addicts.
This is a good secondary reason. At best, we'd still call it "Member upgrades" on the front end, but as it pertains to upgrading their account there isn't a compelling reason to deviate from the existing "Account upgrades".