ASCII art spam

Spammers have "invented" ASCII art. There's three curious things about this. One, it of course gets through text-matching filters. Two, it retroactively ruinates real ASCII art (if this catches on, seems most unlikely). Three, is there a drawing program for this? Tiny fragment follows: ., ,; .r, @nt psx tma jn ym, Bwg pgB WrW ihutqnb: ilnqcWlh Woytvu @fcajiS bu tn ves jx qo. Wka. ckt rkb bw; @qS lqc osq WsW 8kdhxu: so sr WgZ Zmfqhs@ jt .je WaW ywW:: um, ap go WoW svh,i 0oW ScokmS WvW oq so huZ rim WkW pnB 0uZ pjvf caq yxdjqotew murWhcoo abl rydgadhfq0 , ,:;i : jf , ,;i .: Ztc jpr nwrls.