Sailing Downwind - Try this? Opinions?

Running dead downwind can lead to "death roll", especially with our boats.
Tacking downwind:-
   a) is safer and more stable,
   b) you probably arrive sooner.
This method (easy if there is a steady wind) deprecates the G&T approach.  You'll need to conduct a few simple tests and calculations to determine the optimum angle for your craft.
Try it?  
Opinions?
PW