Yes, it all depends on what the course entails, there are many aspects to solar installation, for an example, mounting the panels can be done by anyone, even the guy you pick off the streets who never went past primary school.
Secondly, if you read carefully through that statement you will see that the 6 to 12 weeks is about theoretical training, thereafter the practical, on the job training will commence.
I know you don't have faith in "30%ers" but it is really not rocket science, did you know that we have people here who DIYed their installs from the ground up without any prior training? Even more they went on to be very valuable sources of information and helped others with their installs.
So no, I don't think they are putting anyone 's life in danger, this is a very good initiative, those youngsters will do just fine.