That's a very long-winded and complex description for Wander to keep track of what Bertie was trying to get across. But he gets the gist of it.

"But if you and all your cousins stand up to her, that'd work to, right?" Very rarely, in his experience, can one lone person stand up to a powerful one. It takes a whole group to do so, often encouraged by the first. "If she's like this to everyone, surely they'd listen to you!"