the only thing you might consider adding are drip lines on the ridgeline that dips under the tarp. Will stop water from slipping in along the line. Cheap and easy.
I have a prussic knots from tarp ends to ridge line but I think your right Grizz.
Dutch, I started like that but thought this was just as easy, Plus I dont have to Tie up just clip and go
it doesn't seem to need pulling out.