I agree that the risk of Roths being raided is quite high if we get to the point of taxes being raised that significantly to cause them to be valuable, so I don't really see a benefit personally of making significant contributions to one. I think raiding of 401ks is much less likely, as a lot more people have them and would be affected, and even if they do, you are still going to be better off than having contributed to a Roth unless they outright confiscate your balance, since you will have at least have avoided paying taxes in the past.

Or we could just continue doing what we are currently, and just keep piling up the debt :) No tax increase or Roth/401k raids needed.