would help McCain camp? If those crisis were happening during the presidential election, do you think they would benefit McCain camp by taking the economy melt down away in people's mind?
Nope. Nothing was going to help McCain. It's ironic that the economic crisis hurt him because McCain was actively working in the Senate to prevent it. See S-190: http://www.govtrack.us/congress/bill.xpd?bill=s109-190
A baby could have farted and it would have hurt the McCain campaign. People were so for Obama that it did not matter.