You could make the same point without kicking up all the drama by saying there are close to zero legitimate reasons for a work computer on a work network to be reaching out to Tor.
I’d 100% understand if they want to block it… but for a while I ran my home server as a Tor hidden service just to get free dynamic DNS and NAT traversal, and could SSH into it from my office by accessing Tor from there. That’s arguably a legitimate use case.