If you don't have the skills, then the good decisions are either to not participate or to gain them. This, of course, raises the question of whether the latter

If you don't have the skills, then the good decisions are either to not participate or to gain them. This, of course, raises the question of whether the latter is a safe option. This can be approached statistically - are the incident rates higher in training than among skilled pilots? Only if they are do we have to move on to the second question, which is how to safely acquire the skills needed to have the option to be safe.