Compulsion is a big issue and one that is uncomfortable for many and hence wish to hide it as a subject.
Sadly this simply emphasises the reasons why compulsion should not be excluded from discussion as it is integral.
For instance lets take training. Training of cyclists would enable them to bemore competent, safer and les likely to have an accident, however the compulsion of helmets has meant in many cases a decrease in training.
The Norwich Road Safety scheme has seen a decrease in the uptake of training since they made helmets compulsory, and this has been linked by teachers to the children (and their parents) not owning or wishing to buy helmets simply to undertake training. This is most marked in the poorer income children.
So these children are now not being trained due to the compulsion... a bit silly really, the compulsion is excluding children from potentially life saving training.