Absolutely. Sustain is a terrible thing to abuse, and I HAVE struggled through the odd gig when my sustain conked out on me, and survived, but I noticed the difference on piano and Rhodes parts was excruciating, despite my best efforts at legato. That, and the ability to hold something while you do a quick move to the screen or buttons (I don't run EVERYTHING with my feet
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), makes the sustain an essential part of my performing.
Just about ANYTHING can be abused, as well as used well... I don't allow myself to worry if someone ELSE overuses it, though. All that matters is that I don't..!
I guess my main thing is that I don't WANT to change my technique if I don't HAVE to. I know there are workarounds for most things, but after spending most of my life learning how to play pretty much like anything you hear on the radio, I don't want to have to change that to accommodate a MACHINE. I feel the machine should accommodate ME!