Startup Idea : Robo revenge

mean version of robo stopafter registering a robo call to a do not call number with the FTC - get revenge almost all the robo marketers can receive phone calls, often to 1-(800) numbers. They pay for each call in-bound to the 800 number.hit them where it hurts. call them back, robo the message to not call again.got lots of complaints, up the return call volume they call once, respond once, twice = twice, 3 becomes 4 returns, 4 becomes 6, 5 becomes 8, and keep ramping it up until their bill gets attention.