During my IT career Iv spoken at dozens of competitor conferences. And at the same time had dozens of competitors speak at mine.

The accepted rule was demonstrate new or unique uses of technology to solve a common problem. Don’t straight sell your product from the platform, we give you a booth for that. If your product is the best at solving problems in the matter your talk described, so be it.

It worked pretty well for decades. I saw a lot of positive colavoratikns emerge because of those policies and the communities as a while benefited.