Time for a change of pace, basically.
Egg Dealer is still dumb af though.
Even to this day it still seems to beat out any of his one liners in the other games such as Shadow the Hedgehog and Sonic Generations.
Fixed
Despite his intelligence though, he has made some retarded inventions like the Egg Dealer and suffers from RBQS (Repetitive Boss Quote Syndrome). See Sonic Adventure for the best reference to the latter.