I was very confused until I realized that this is not about the project management solution (https://clubhouse.io/ https://clubhouse.io/). Did someone forget to

I was very confused until I realized that this is not about the project management solution (https://clubhouse.io/ https://clubhouse.io/). Did someone forget to register a trademark? I get that these are separate industries, but the potential for confusion seems to exist. I couldn't start an audio platform and call it "GitHub"...could I?