I'm not a big fan of phils because of the exposed bearing seals. IME cartridge bearing seals along won't keep water out forever. Not great considering many cheaper hubs work just as well and give the bearings more protection.
There are reasons you practically never come across phils outside the fixed crowd and the odd tourer.
Your lack of knowledge on the situation is impressive. I've been ridding a set of Phils on my fixed CrossCheck, on road and off, as a daily commuter and a long distance rider. It's been subjected to dry arid conditions and muddy single stracks. Its been rained on and hosed off countless times. I've never had to service the bearings yet they spin just as smoothly today as they did in 04.
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This is Africa, 1943. War spits out its violence overhead and the sandy graveyard swallows it up. Her name is King Nine, B-25, medium bomber, Twelfth Air Force. On a hot, still morning she took off from Tunisia to bomb the southern tip of Italy. An errant piece of flak tore a hole in a wing tank and, like a wounded bird, this is where she landed, not to return on this day, or any other day.