My comments were never aimed directly at any individual TFW, but at the system and CIC itself. The entire program needs to be revamped.
I think if you read some of the other threads on this forum alone, you will see thousands of posts where people are looking to get any job to get to Canada. And, it's definitely not for the wages but solely for the PR status.
Also, the requirements for CEC are nowhere as strict as those for FSW. All you need is 12 months of work experience in Canada, and the program is open to butchers, mechanics, line workers, etc. Compare that to the point system others have to go through and you will find that the vast majority would never actually qualify.
As for nannies, they may not come through CEC but for them, the bar is even lower! To qualify as a nanny, they need a 6 month course (which can easily be faked) and then they need 24 months of work experience in Canada. As I mentioned earlier, I know of several cases where the "work experience" was gained at a relatives house who sponsored them as a live in caregiver. What happened to all the requirements about education, adaptability, work experience, etc. that other immigrants have to go through?
If people aren't looking for the Canadian Dream, then I think the best thing to do would be to eliminate any path to PR for TFW's. I would venture to guess than 90%+ would no longer want to move to Canada if they knew they would have to return home at the end of the term.