To get the full set in BC I believed required like 2050 to get the shoulders in like s2-s3-s4 at a time when gladiator was sometimes 2300-2400. Next season those shoulders were available as honor gear for lowered rating, then eventually 0 rating.
Also, if you don’t care about some 15 year old transmog and you don’t get jealous, who cares if someone can wear the set you obtained in 2011?