Alright serious answer now. Why so?
So as to blemish the numero uno status that a Raj enjoys?
There isn't a need to officially declassify into a Jan Rajdhani!
Unofficially there are several jan rajdhanis running like Sampoorna Kranti, Poorva, Purushottam which the 130 advantage of a rajdhani...
130...
more... certified Garib Raths are an affordable option too! High speed ac travel at much lower rates.
Then you have Sampark Keantis skipping major stations on route...
Combine all of these and you have a Pseudo Raj experience already, why ask for a seperate class of trains?