That’s likely a peculiarity of the niche you’re in. HL7/FIHR are the norm for enterprise-level systems. Hospitals couldn’t function without it and at any given time we typically have multiple HL7 integration projects rolling just as a mid-size regional.
Definitely less defined in the small-practice and patient-side space. Though, like I said, the big problem there ends up being data normalization anyway.
To be clear, this is specifically what I was calling incorrect:
Faxes are one compliant means of electronic communication. They’re just not the only one. Secure email is fine.