This is pretty fascinating and makes a lot of sense. You obv want to land very slowly, but going slow means less control to keep it vertical. So the clever work

This is pretty fascinating and makes a lot of sense. You obv want to land very slowly, but going slow means less control to keep it vertical. So the clever work around is use thrust at the last second which will allow it to also be vertical and stable. And that means coming in from a non vertical angle beforehand which is exactly what they do.