great cry and little wool
A great deal of fuss, noise, fanfare, or protestation over something of little or no substance, importance, or relevance. My opponent has been making outlandish claims about my track record so as to foment distrust in the public, but I assure you, he is offering great cry and little wool.
great (or much) cry and little wool
a lot of fuss with little effect; a lot of fuss about nothing. This expression comes from the idea of shearing pigs, where the result could be expected to be great cry and little wool .