As a former long time caddy, I can guarantee you that 90% or more of players and caddies do not EVER intend to leave spike marks, indentations near the hole, or poorly raked bunkers. In fact, players go to great pains to fix the edges of the hole, and repair spike marks after the group has holed out.
I agree with Jeff Maggert. Poorly raked bunkers are sloppy, not sinister.
If we decide to rake bunkers, there's only one way to go. Rake them neatly to the edge of the furrow marks, and then use the back of the rake to smooth the intermediate edge from the entrance to where the furrows begin. And the rake MUST be left INSIDE the bunker (well inside, never near the edge), aiming along the target line, not perpendicular to it.
A rake outside the bunker comes into play for players not in the hazard. A rake PROPERLY left inside a bunker rarely if ever disadvantages a player, who shouldn't be in there in the first place.