Originally Posted by
Packrat
You need to check out the FAA video on how wingtip vortices work. Unless you had a tailwind, there's no need for you to ever fly an ILS "a dot high". Doing that only puts your vortices in the next guy's glide path.
He was in a RJ following a Super. Good catch in case a C-172 was next on approach.
I'll go for the 1/2-1 dot high in that case too depending on ceiling height. I see your point if the Super's are never a dot high and tailwinds are never present on approach.