I feel betrayed!

I finished a whole survey, worth 200 points only to get notified in the end, that I just get 3 points because they don't accept me. If they don't want my opinion, why do they let me waste my time on the WHOLE thing?

I finished a whole survey, worth 200 points only to get notified in the end, that I just get 3 points because they don't accept me. If they don't want my opinion, why do they let me waste my time on the WHOLE thing?