Boxcar Overkill
Contributor
On the subject of dive shop profit... simply because a shop is not "pushing" what you favor, doesn't mean they are doing a disservice to their customer.
It's not that the dive shops are being unreasonable or that the owners are evil. It's just not the best way to provide instruction, in my opinion.
I don't have any dive instructor experience, but for a number of years I was a university professor. During that period, I was forced to spend a lot of time thinking about the role of administration, teacher, and student, and I developed a respect for the importance of the wall of separation between the administration and the teacher.
Based on my experience, I think the right way to teach is for the instructor to be free of pressure from the administration to turn a profit. The students have paid for, and deserve, the unbiased opinion of the professional they've employed. The only way they can do that is if the instructor has the latitude to comment on the gear however they feel is appropriate. (Or wear gear that they believe is most appropriate, in their professional opinion.)
I think a lot of other professional educators would agree with me, but I know a lot of people here may not. They may not see it as a big deal, and really, it isn't that big of a deal. It's just not the right way to do it, and I think that Padi/SSI would do a service to their product if they required shops to respect the academic freedom of their instructors.