Consumer boycotts, unless they're just right, (target a consumer oriented...

Consumer boycotts, unless they're just right, (target a consumer oriented company, e.g. the companies who buy lots of ads and PR) aren't a good lever.

Yelling at Nabisco about sat fat in crackers? They might listen.
Yelling at GE (or other defense contractors) for making nuclear bomb detonators? Frankly they don't even think about you at all.
Yelling at company that you give $0 of your money to? (free spotify, free stackoverflow, free reddit) Oh what a howler to think you were running the show.