1) We don't have Python3 support yet, we're working towards it, but we're behind some. Have the reference implementation be a regression over the previous one doesn't make much sense.
2) We don't have enough users.
And honorable mention reason: RPython is an... interesting language to program, something like a cross between C, Python, Java, with error messages from MUMPS.
Is fixing that tractable? Cryptic error messages is one of the most frustrating turn-offs to new would-be contributors.
/probably one of the few people here who has written MUMPS code
If you'd stuck around you might have noticed that the project is, essentially, European. The main contributers all live there, they receive funding through Eurostars, and I don't remember any of their gatherings/sprints being held outside of Europe.
In the future you might want to watch that knee-jerk reaction, it can put your foot right in your mouth.
Given the history and imagery of "Uncle Sam", it becoming the equivalent of a genericized trademark cracks me up and makes me marvel at the longevity of a well crafted marketing shtick.
The use of the image has remained culturally strong because of the many brilliant satirical treatments it has received, not because it is a powerful signifier calling for people to work together.
