i totally agree with the point:
ask 100 swoard riders and they will tell you the swoard is the best for EC
Ask 100 riders of different boards what board is best for EC, and hopefully they will say the same...

( this is basically what the article says but with only one or two test riders!)
I agree that for testing boards in various techniques, disciplines etc it is necessary to output big tests with test cards that are anonymous and filled by many riders. Problem is it is very difficult to collect the dataand time consuming.
In the early 90's, french snowboard magazines use to test snowboard this way> it took them 3 weeks almost each time.. Each board was tested in all snow conditions, with at least 3-4 riders, and the test card filled many aspects ( turn easyness slow - medium - high speed) ( comfort etc etc..)
and the results were far more objectiv: problem was > cost, and also the fact that companies did not like objectiveness
Anyway, i think the test card idea is very good and a good way to do it!
N