The 'start and stop' at another aerodrome concept seems to be increasingly commonplace.
Many in the industry are in favour of less stringent regulations for aerodrome standards at places used for flight training; we are currently awaiting the results of a CAA internal discussion process.
The concept most seem to support is that the Training Provider will indicate what the proposed aerodrome standard (RW length, fire and rescue availability, etc) is - and what the intended training offered will consist of. You don't need a 10 000 ft RW for SEP Class Rating training, nor would it be appropriate to operate a fleet of a dozen aircraft from a short wet patch of mud miles from the nearest fire and rescue. So some 'assessment' process will say YES or NO.....
Too simple?