For those using a dremel just don't set it to mach 1, the slow speeds take care of it pretty quickly, even the carbon ones. I'm sure a guy from that other thread might use a grinder or hack saw which is the wrong tool for this job.
For those wanting to be within the legal realm just round them down to a small bump. When the time comes, hey I removed my wheel so many times it wore down, you'll be all within the legal warranty realm
. With a little creativity you can come up with an angle to justify why they are not there anymore.