Anonymous participant personally I think these difficulties put in the way of applicants are seen as a money spinner for the embassies. They know people will reapply and pay another fee. Just my opinion.
I’ve tried to find out how this works if you’re not going for the working remotely. Dental/medical/cooking class etc. Cooking classes could be a one day thing or go on for weeks. I’ve yet to find any information at all online that gives clarity for this particular classification.