Mo,
Basically my perception of the problem is:-
Change of personnel of those writing the programme from one year to another.
The person in charge of the programme having too much to do and not contacting the workshop organiser directly. Surely email is easy nowadays.

I agree entirely that the descriptions should be accurate, but when a new type of workshop comes along that is unfamiliar to the writer it presents problems of space in the programme. When I have time I usually try to get further explanation in the daily newsletters.