He often speaks harshly towards other contributors.
I'm not sure why OP is celebrating his cruelty. It's possible to recognize someone for their contributions to science while being critical of their personal choices and I don't know why they didn't do it.
His behavior, I think, is a symbol of the behavior of Linux developers as a whole. Linus may have mellowed out, but he's still quite prickly, with his famous Quarterly Linus Rants™. Beyond that, Linux developers seem to really be quite difficult to work with in general. The most recent completely-avoidable-dramas that come to my mind are the bcachefs guy and Rust in Linux