It's kind of foolish of them to want this though, or they gave really short memories because the Feds going after abortion bombers for clout in the 80s is what resulted in the mother of all backlashes against the institutions of power in the 90s.
This was the crap that led to Ruby Ridge and Waco which very nearly got the ATF and the FBI shutdown. The crackdown on the Jan 6th boomers and the vaccine nonsense resulted in an even worse loss of public trust and open hatred of people who work for the system.
If they push this, there's no guarantee the public won't emphatically be on the side of the religious right in this case.
Edit- this is not smart, this is how you end up with South American style right wing street violence and South American style "meh whatever not my problem. You deserve it" apathy for that from the middle class and the independent voters.
And that opens a whole number of doors the US hasn't opened since bleeding kansas.
That's certainly not how they remember the 90s, and it's certainly not how they think it will go now, with the level of leftist institutional capture of government they've managed.
Here's the thing: right now, the actual right-wing violence they can manage to gin up or point to is all forms of racial violence. The issue with that is that the institutions and rank and file of the Right are all very much not within the framework of that kind of violence. The Republican party's position on race has been officially colorblind and against racial violence since the early 20th century. And while they can TRY and paint various Republican and Conservative policies as "racist" using Critical Race Theory, that doesn't tend to stick well outside of people who already religiously believe that the right wing are racists. Further nobody in the mainstream of the US right is calling for, say, bringing back segregation or Jim Crow laws. So while they can manage to label the right as racist, the only impact it has is on the voting booth, whenever they try and shift that from just labels into actionable legal ideas, well, everyone sees the overreach for what it is.
However, if you start getting violent anti-abortion terrorism going, suddenly you don't have these layers and layers of disconnect between the institutional right and the extremists. The Republican Party is, by it's very platform, anti-abortion and pro-life. The pro-life movement has been a core and highly visible component of the right wing coalition since the late 1970s. The dream of the left here is that if they can spur on anti-abortion violence, they can then use the anti-terrorism laws to go after all the pro-life institutions of the right in a way they could never have before, and make all sorts of arrests and property seizures, plus they can link the pro-life movement to so many high level politicians and movers and shakers on the right it would be a field day, they could criminalize 95% of their political opposition!
They seriously think that they will be able to control and contain the violence and basically usher in single party rule. It has never crossed their mind that they might be unable to, because, after all, they control all the institutions and that means they have all the power and the people are thus powerless.