I don’t think that not using URLs is a sensible choice – that essentially moves the problem onto Google, and Google Bombs have been a fine way of confusing that.

The RFCs do, actually, try to tell people not to just put URIs into text “unadorned” – you’re meant to wrap them in angle brackets, for example – but in practise this is understandably ignored. See https://tools.ietf.org/html/rfc3986#appendix-C – or should that be https://tools.ietf.org/html/rfc3986#appendix-C?

But yes, whole-heartedly agree that heuristic parsing algorithms are tricky, and that marketing teams need to test their marketing is functional.