Name one digital application at the point of sale that interfaced with with all users?
Why? That was never the basis of the original claim. Nor is it a requirement for "anything worth a darn within a decade of scope."
Um, we are not talking about when the Company used paper files and post it notes.
Are you using the "royal" we? Or do you have fleas? For the record, I'm pretty sure no one here is talking about paper and post-it notes.
Marketing/ECRM had many applications that did their job just fine. Leads Management System did it's job, for example. So did all the online and batch systems responsible for direct mail and email.
Salesforce is the only system I've seen in almost twenty years in Marketing/ECRM that has failed to meet your own criteria, except maybe MOM. That was a piece of c-ap.