The triple barrel bluff is the play that everyone wants to do at the poker table. There is nothing more badass than firing three shells at a pot to take it down. Showing the bluff is likely to draw cheers from the rail. Nothing says excitement and big bet poker like river shells that get through.
Of course, this play is so exciting because it is so rare. It is tough to land in actual competition. It can also be difficult to use when you are playing against basic opponents who never want to fold.
That said, just because this play is hard to execute does not mean it should be abandoned entirely.