Nobody got banned. They were removed from their positions as maintainers, because they work for a sanctioned company.
Please stop being purposely misleading.
They can still contribute to their heart’s content. They just can’t submit patches with no oversight, because they are close to the Russian government, who, I don’t know if you’ve realised, has invaded their neighbour and is currently committing genocide.
You are mistaken:
RMS on June 28th, 2003
RMS on June 5th, 2006
RMS on Jan 4th, 2013