Something I don't quite understand

How is it, according to conservative minds, that welfare - supporting individuals who have failed in the marketplace, who can't take care of themselves and need the government's help - is a dirty word and an execrable practice, while large-scale bailout - supporting corporations who have failed in the marketplace, who can no longer handle hteir own affairs and need the government's help - is a necessary, requisite, and even noble part of the economic machine?