There are multiple reasons why using bots for these would be a really bad idea.
Could you say what they are? I don't see any reason why not
1) Steal the individual parts of the player model, make them into bricks, plant those bricks accordingly, and fake-kill them.
I think that's over-thinking this a bit. Besides, what if you die underground or inside other bricks? There are a lot of issues with this
Besides, you would have to make the bricks killed, not fake-killed.
I'm pretty sure this is supposed to be an imitation of the LEGO games.
...What does this have to do with anything?
It would still have the same effect. Only with correct colors instead of everything being white with default faces/decals