I wasn't sure about doing discussion of the specific point, but other people are....

http://www.moveandbefree.com/blog/laziness-doesnt-exist

Here's an example from someone who believes strongly in cultivating internal motivation-- the opposite of shocking yourself if you don't do enough crudely monitored exercise.

The punishment approach to exercise arguably makes people less likely to exercise at all, and I think it increases the risk of injuries from exercise.

There really is a cultural problem-- how popular is the approach from the link compared to The Biggest Loser and boot camps for civilians?

Sidetrack: I'm imagining a shock bracelet to discourage involvement in pointless internet arguments. How would it identify them? Would people use it?