If a customer doesn't intentionally accept $1000 shipping charges, a properly run business would recognize this as a problem with their service design when they

If a customer doesn't intentionally accept $1000 shipping charges, a properly run business would recognize this as a problem with their service design when they do end up with $1000 shipping charges. The alternative is to have a slowly growing public understanding that dealing with them is equivalent to gambling. If they're happy with that, then OK.