I think the experience in Colorado has effectively demonstrated that the dose can be titrated. Certainly when people think of edibles in the Canadian or North American context more broadly, they think of people eating cannabis and being subjected to highly unpredictable and sometimes very unpleasant experiences. That's not the case with edibles.
My experience in canvassing the owners of the medically oriented dispensaries in the city of Vancouver suggests that for their patients, for their clients, edibles and bombs are a large part of what they want. They don't want to consume by smoking or vaporizing. They're generally, as in Colorado, working towards a much more effective titration of dose.