Yeah, when it comes to cross platform stuff I'm pretty forgiving with this sort of thing. Finder botching it sends me up a wall though. It's probably only a few lines of code at most to fix it, but Finder is closed source so I can't investigate it myself, let alone fix it, let alone send my fix upstream.

(And frankly I'm hesitant to even report it as a bug, since for all I know Apple will decide that NFS/symlinks getting thumbnailed in the dock preview is the real bug, and "fix" that leaving me worse off than before.)

Edit: Also sort-by-kind also fails in Finder when symlinks are involved. When "keep folders on top" is set, symlinks will still sometimes (but not always) appear above folders.