Confidence: I am confident that having a policy on this would reduce related case-by-case discussions and allow us to make better decisions on providing flexibility. If someone wants to write an RFC and wants me to join as a co-author, I would be happy to help.
Acknowledgements: thanks to @joepie91 for feedback on this
I have more unanswered questions than answers right now…
The gist is likely to be further updated.