I wonder how many will actually leave. If customers have been totally satisfied thus far, if Dreamhost makes it up to them they might actually stay.They won't need the capacity with all the customers they are going to lose over this.
Anybody who has a debit card tied to their main checking account is just plain stupid. People just don't understand the risks I guess.With a credit card, the most a rogue merchant(or thief) can do is max out your credit line, maybe even go over it but you can dispute the charges and not be out a thing and be little effected. However, if someone overcharges you on your debit card, you could start bouncing checks and be potentially wiped out.