Blinky
Because each story came about in a different way. The Nes Chanukah was an open NES no denying it so we celebrate it by publicing the NES. Purim on the other hand appeared to be al pi derech hateva there were no open Nisim and Hashems name isn’t even mentioned in the Megillah so there’s no inyan of Parsumei Nisa to publicize the Neis.