If they would just be allowed to fail and take the consequences without dragging the taxpayer into it, bigness in and of itself wouldn't be a problem.
but that’s exactly the issue.
some businesses have become SO big, that the government CANT just let them fail. Letting them fail would collapse the entire US and possibly world economy.
Such businesses NEED to be broken up! And the first serious Republican presidential candidate to embrace this will win in a landslide.