If you have been banned from running an event at every single college, every single local bar, every single local theater, etc, you still have just as much ability to get your message out as the vast majority of average people.

Nobody has any obligation to provide you a platform. That is literally their first amendment right. If you want to use the government against "cancel culture", you are attempting to suppress people's first amendment rights of association.

The founding fathers had to pay people to print their pamphlets. That option has always been available and was the very context that the first amendment was built around.

The founding fathers never expected anyone else to carry their ideas. They expected ideas to be carried by their merit.