Read all of the testimonies from escapees and castaway children about what has gone on within this circle of people. or at least many. I follow every thread that comes up on this topic. This belated action by Texas didn't just happen. It should have happened years ago.
And the only reason it did not was because they had no evidence, legally admissible evidence, not anecdotes of what happened at other places and other times. It looks like they still didn't have any when the first warrant was issued and served. And it's possible, although I don't know how likely, that when all is said and done, they'll have no admissible evidence.
To me, YMMV, it's very telling that no one has been arrested or charged with any crime, other than two that were directly occurring during the raids themselves, rather than any prior actions, even though it's been nearly a month.