Well, there's one problem with listing ideas; as fun and exciting as it may be, the more you list ideas, the less likely a Tamagotchi will contain those ideas. For legal reasons, Bandai can't accept ideas from people who aren't employed by Bandai, especially not for free.
Nonetheless, the list looks interesting. It would be nice to have a fan-made Tamagotchi (and if anyone remembers the EdisonNation thing then you'll know that for a short time it was possible), but it just won't happen, unless another event like that happens, in which case this list is perfect because it means that Tamatalk as a group can submit their idea. We tried that over on Tama-Zone, got quite a few ideas (some of which were conflicting, unfortunately), but never sent off the ideas.