Another option is using your non Google provided email for a Google account. Given Google's huge reach I can certainly see the need for having a Google account

Another option is using your non Google provided email for a Google account. Given Google's huge reach I can certainly see the need for having a Google account for situations like you mention. With wildcard aliasing offered by most email providers you can have that email address be anything you like, like googlesucks@your.domain. It might kind of go against the whole de-googling depending on your outlook though.