That, i almost guarantee is a non issue since the spirit of the device is centred around that idea.
Choosing the preinstall flavour is only for convenience!

And imo the key untapped selling point and market test. Lineage has "street cred" and many casual users know about it and want it. But are not able or hesitant to flash for themselves.
They are the first phone company with Lineage out of the box now.

Thank you for backing and going through all the CC trouble. Selfish thought, but your contribution made Pro² more likely