Connecting some dots 
https://www.crowdcast.io/e/wsqiqgcs/ - Codans Jaime & Maria answer on this topic @ 25:15 to 28:00 & 43:15 to 47:00
@Francesco_Pistillo was the person who asked the question in the webinar @ 25:15
- I too can think of scenarios where sharing a doc publicly but being able to disable the “copy doc” button [see New Sharing Features | ctrl/⌘ + f “Copy Doc button”] would be helpful.
- @Coda_Araqsousi has also requested