If you can not back up your words or so and this is a lie, grow up with your jellyness of not able to make a game.
Say this dev is childish? at least they are not someone like Dani who is an actual man child - this dev actually works and make a game that is good and worth playing.
But hey if this can be show the dev "stole" it come let us see or is it all bark and no talk ;?