Indeed. Also, the easiest way to stop getting mailings like this is to not respond. Filling it out just guaranteed the primitive is going to get more mail.
There is a better way. Fill the prepaid envelope with rocks, washers, and other dense items. Put your return address on it and you will never see another solicitation from that organization again.
As to the DUche's bouncy. I got one of those fill out the survey and send us money from the RNC. Told them never to bother me again as the GOP is dead to me. Haven't got another one. Might get one next year before the elections but I doubt it.