Ever since the $25 billion settlement over foreclosure abuses between five of the nation’s biggest banks and the state attorneys-general was announced, there’s been a steady drumbeat of naysayers who’ve asserted the deal does more for the banks than it does for homeowners. And barring some happy accident in which the settlement somehow inspires banks to behave, they’re probably right: In comparison with the estimated $700 billion difference between what people owe on their mortgages and what those homes are actually worth, $25 billion is peanuts.