I dont think it would be a good idea implement that kind of pokemons.
In my opinion GMs have other things to do atm, they are implementing new areas, scripting abilities etc... The implementation of legendaries would require too much time for them.
Mew celebi and jirachi are enough for now, quests are not easy for new players :kiss:
PS: 1m is not a big amount of money for players with more than 600h