I will match you peeve for peeve.

If people see something that they do not understand, they should be willing to write small sample programs like the above, just to see what happens. If that leaves them with questions about why it works as it does, then ask. But first do some experiments.

Therefore I want to encourage people to read with a command prompt nearby, and I consider that encouragement to be worth having my comment go past some people who probably don't care enough about what I am talking about for it to stay in their memory.