This will allow for all sorts of new business models in open source. You can literally buy influence over certain open source projects. So if a company really wants a certain feature, they pay the developers to implement that idea over others. This would definitely not be for every project, but for some, it would be a godsend of a revenue stream. This is a really radical idea so please discuss.
Communicating of a new idea can be difficult if one can use only words. Particularly if change of user interface is proposed, the best possible way to communicate the idea and to describe possible solutions is making a picture and embedding it into the idea rationale or into solution description.