Heck yeah!
Today's mission was a PnP dog flight to San Angleo CAVU, but why not file IFR? This was my first experience filing from foreflight (I always use weathermeister) and getting back a notice from the app of the "expected clearance route" after filing. Huh? Wow, really? I went ahead and planned for it. And guess what, that is exactly the clearance we got on the ramp. Boom, already had the waypoints loaded, had looked at them and knew where they were, etc, etc. Yeah, I'm good with that and already had them noted on the knee board. Very useful.
I too have been the guy on the ramp that is basically, "no, sorry, I'm a thousand miles away from home and can't read back that complicated clearance until I understand it and can ensure that I can fly it. I'll get back to you on that......."
Maybe the technology really will be useful.