In fourteen years at one hospital we have had two completely different EMRs as well as the old electronic record system that didn't have charting but allowed lab lookup, scans of documents, etc. The two older ones are still running in read-only mode because Epic can't look at them, so any records older than 2022 are only in there.

Cardiology, radiology, endoscopy, and labor and delivery all have their own systems for their internal usage while releasing final results to Epic.

I don't object to the idea that these products are made for admins. It's a business and it needs to make money to survive. I object to the idea that making a product for sale to admins precludes making it at least usable for those who actually put in the data.