I have to disagree with most of your post. Yes the Canucks are in rebuild and have been for over two years. Some want to call it retooling, but what ever it is called only the Sedins, Edler, Burrows & Hansen remain from the team roster that existed before Benning became GM. 5 players out of a plus 22 man roster that exists today. Sorry but that is an 80% turnover and that is far more of a rebuild than a little tweaking that could be called a retooling.
Next, no GM would be foolish enough to totally gut a team of all its players on the chance that he may be able to draft prospects that over the next three to five years will equal or better than the players he released or traded away. You and others are assuming that the prospects that are drafted are not only going to make it into the NHL, but are going to achieve their hyped up potential. There are two old sayings that apply here "It is an illusion that the grass is not greener on the other side of the fence" and "don't through the baby out with the bath water". In short what you already have is just as good or better that the players or draft picks of others.
Truth is that most will not turn out to be quality NHL prospects and those that do make the NHL , without older, experienced players to set standards & guidance, will try to retain the bad habits they learned in junior. All that will lead to is a longer rebuild time and maybe an even longer stint in mediocrity. You forget that the 17 plus players Benning has already replaced all were hyped equally to the so called prospects you want to draft. It turns out that Benning feels the Sedins, Edler, Burrows & Hansen are better players who will contribute more for the team now and in the future than what other teams have so far offered.
Last only a fool will believe a GM, a coach or any professional player will intentionally try to lose. Not only would that constitute cheating, trying to lose at anything goes against the very nature of an athlete. They push themselves to win. add to that why would a player or coach purposely loose so that a team can draft a better player who will replace them on the team they helped loose?