This is going to be critical. Can you please post this in the topic suggestion thread? One topic per reply as we’re leaving open the possibility of using “likes” as votes.
Edit: Honestly, I’d just put that as one topic, “Future of python_requires” or something, and then put as background that we want to discuss fixing bad uploaded versions and making it mandatory.
Edit 2: Here’s the issue on warehouse about making python_requires mandatory: Reject packages without a Requires-Python · Issue #3889 · pypi/warehouse · GitHub