And half the time you didn't because an off piece had better stats that looked nothing like the set.
Transmog is a blessing. It meant I could get the missing piece for my set instead of looking like a complete idiot. And it let people transmog out of some of the most ugliest sets in the game such as Hunter tier 19.
Stop pretending prestige still doesn't exist. Stop pretending your suggestion is prestige because it certainly isn't. Provide a proper example of prestige or just don't bother.