It must work. I mean, it only takes a few morons to give their credit card number to recoup the costs of sending the same email millions of times. I have to think that it works often enough to keep people in the biz.
And let’s not forget gems like: (sender / subject)
Drusi Mendelson / PPainikiilelrsSsuuchAsPareactamol,Aspriin&IbbpuorfenAreOfttenEffceitveInCo
or
Agnus Pangburn / Sur elyNoFu zzInBuy in gHea lt hTab let s
Is there anyone on the planet dumb enough to give out their credit card numbers to these people?
Maybe 419eaters can start burying them with expired perishable account numbers.