He's been quite busy lately, trying to lure every high tech company from Silicon Valley to relocate to Texas, along with the multitude of 'rats voters they employ.
I’m not defending Abbott, but since Arizona lost that landmark Supreme Court case (roughly 6-years ago), there’s virtually nothing state governments can do to enforce immigration policy.
Really, the only course of action they have is to sue to have the Judiciary force the Administration to enforce existing law. I believe the Texas AG has already done that.