Aha! Two opposite answers in a row. I knew it would be controversial because truth told, its a question that conflicts me.
That said, here's an interesting anecdote. one of my regular players was playing with another, vindictive DM who killed off the player's wizard, let the party split all the wizard's gear, and then made him start a new character with even less money than before, causing this player to have approximately 1/4 of the wealth of any other party member (and making him likely to die again and repeat). This same DM, for no good reason while running ToEE, put a 500,000 gold piece bounty on the party's 9th-level cleric's head (you heard me right, 500,000 gp), and he used this to attempt to railroad the PCs into not being able to return to town or attempt to roleplay interactions with NPCs. So, my player's new character was a bounty-hunter...with a scythe...who spent all of his money on a supremely convincing bluff that he was actually Rary come to collect the bounty. This actually wound up helping the party, as the frantic DM called off the bounty in a Deus Ex Machina attempt to prevent the killing. So the moral of the story is: sometimes attempting to coup de grace the cleric is good for the whole party.