Definitely. Or that it's better to stand together than to fall separately. Or that during this moment of transition they're mostly likely to win out. Or that they want to be on record so that if something does happen, they'll have better material for a press push or a lawsuit. Or that they figure they might as well give fixing things a try before they leave Mozilla. Or a bunch of other things.

The notion that them speaking out now proves that they have nothing to worry about is ridiculous. If nobody had spoken out, that would also have been used as proof that everything is fine.