Sending petitions to King George III was how this whole country started. I doubt the colonists really expected anything to come of those petitions either.
As political theatre, the petitions have been a success. We’re all here talking about them and they cost the authors a few minutes to type them up and post them.
If Texas were to secede, it would succeed.
Millions of Constitution loving Patriots in Blue states would join Texas.
It would be even more powerful than anybody could imagine.