Its to prevent other democratic lawmakers in texas from doing what the house is doing. They fled the state to guaruntee there is no possible chance the gerrymandering laws can be forced through, and for so long as they remain outside of texas state lines, theres not a damn thing anyone can do.

"legal system is invalid" == nonsense

During the first special session, Collier (and others) broke quorum, which the Texas Constitution allows. MAGA is angry and embarrassed by that, so they are threatening repercussions if the Dems don’t quietly accede this time.