Secondly, I would have to agree with the fact that losing weight would benefit greatly by doing compound movements. However, I would not generalize that the trainer was a “bad trainer”.
Judging him as a trainer based off this one observation is like judging a political candidate by one of their many quotes. Nevertheless, you are absolutely correct that that particular exercise was not right for her goal of losing body fat.

I noticed this page is in .html it SHOULD be in php.

If you need help with any of this, I can help you. There are a incredible amount of benefits (and time savings) that you would have from re-doing the page in php. (especially for ad-revenue!)