It also includes language that suggests this is a pretext to start actual serious conversations about secession.

...I'm genuinely concerned about my future in this state comrades.

Edit: i've lived in Texas the majority of my life so I am fully aware that republican idiots talk about about secession ever other day or more and have as long as I've been alive. But as far as I'm aware this hasn't been in their official platform and the fact that this is combined with their statement on Biden tells me this is a measure or two more serious than idiot tough guy talk.