Wolf, I get your line of thought and I do a 10K miles service interval. I think the idea is that sealed bearings aren't really sealed, they are shielded.
Water can always get in.
'02 KTM 640 Adventure-lowered
"On the road there are no special cases."
Cormack McCarthy-The Crossing
The faster it goes the faster it breaks.
And high performance=high maintenance.