But... but... I thought he was a misogynistic pervert who needs to be expunged from the face of the earth.
He seems like a fucking odd guy, but he's not stupid in any way.
- George Orwell, "1984"
Stallman, like most of us (and nearly all prominent historical figures) can posses both positive and negative traits simultaneously. The good isn't always outweighed by the bad, and vice versa.
Nuance is a difficult thing sometimes...
In some contexts you do have to consider both, i.e. there are some loonies in every corner but the actual philosophy behind cancel-culture isn't necessarily a bad one of it wasn't the focal point of an extremely violent culture war and being aggressively pumped by social media not designed to encourage introspection or even basic humanity in its participants.
To understand an individual can indeed be both is the doublethink.