u don't really see it much on higher limits.
maybe it's the nature of the low limit games
they aren't risking alot of money so they just go all in hoping the luck factor will kick in.
lot of times people who do that are the beginners. as they don't have the skills they rely on luck to win
believe me, u don't see them much in higher limit games.
and i personally don't think this all-in phenomena occured due to televised poker...
be grateful that they are in ur games, try not to be the one calling their all in with KK though, only with AA
best thing to do is don't confront them, let others gamble against them.
AA is the only exception. u always confront them with it, but i guess u already know that much