Don't forget that average VGS instructor gets a nose-bleed if they venture more than 10nm from the ATZ. They are taught to fly impeccable circuits and then pass that onto the Cadets. But their cross-country skills, R/T, knowledge of airspace and alike is not so good. That is why their flying time counts little towards the award of a PPL, unlike baby pilots that complete Elementary Flying Training (EFT) get effectively all of their flying time counted towards an NPPL.
What a plonker.