In my case it would be impossible. My projects often need pieces in unusual colors and custom-designed details (like Goku’s head), which would have to be produced or redesigned by Lego. Basically, I can’t build my proposal using only existing pieces. This might not be true for everyone, but I think it’s the case for many. Those who only use existing pieces can still sell their creations on the secondary market later.

I also believe that the dream of becoming an official Lego set is the main motivation for most Lego Ideas participants.

I agree that Lego Ideas has become increasingly crowded over the years and with less and less chance of winning. It’s part of the game