i.e. here in Italy you get a code to distinguish between happy chicken in a farm, free range chicken, closed range non intensive and intensive.
besides most of the 'horrible living condition' propaganda is aimed at the uneducated. of course in a large operation as huge as chicken farming there are gonna be mutated ones that get direct to waste - there's an estimate 7.2 billion chicken going around, even only considering normal genetic mutations there ought to be hundred millions yearly to go around to be used in those 'look these horrible sad chicken' videos, that are just a production of numbers and proportions more than actual cruelty (as compared to, say, foie gras)
you cant choose with your wallet to buy a model S because your wallet is not fat enough.
most consumers cant choose with their wallet to buy "fair trade happy animal farm" things because their wallets are not fat enough.