Pace: I suspect we're talking about different things - I've seen (or rather not seen) plenty of aifcraft being dragged to the field with full flap, heaps of throttle, on such a flat approach that they're hidden behind the hedge. That's certainly not 'in harmony'. No issue with being 'on profile', but there's a matter of where, and how.
If you're flying something that approaches at circa 150kts and the engines can't go below flight idle of something like 50% thrust (and it weighs a few 100 tons..) you're going to need to be 'on profile' a hell of a long way further back than in a 172 cessna - I don't really see how 'one size fits all'.