The DUP are quite happy to let Westminster sort abortion and gay marriage. They can tell their small hardcore it was forced on them and there's nothing they could do.
You'll note there is no ILA. The vast majority of their support aren't having that so it's casually omitted. The DUP and the Tories have this sorted long ago.
From the guy who told us the false statelet has the highest disposable income in the World.