... It's a bit of a complicated mistake that has a level of... wondering if it's right to fix.

Basically, they did something, and it ended up giving the other ones an idea that while not necessarily bad, is pretty irritating that they can even do it.

Only way to really fix it is to deter them, but they don't really know how to do that, since Landrobe's basically said that the only way he'll get deterred is if Berlineth cooperates with him, instead.