It's Best to Own It
Never sugarcoat what you're trying to say. If you want to say "I quit," then you should say that exact;y. This person is a quitter, and they're proud of it. So, we're proud of them. Quitters of the world, unite!
Hit Them Where it Hurts
When stores shift ownership, things can get a little dicey. Usually, when people buy out stores, they're only in it for the profits. So, the people who were previously working there could likely see a change in management style and pay. Nobody likes to be micromanaged and paid less than they were before. These people are doing the right thing by boycotting the business that they formerly worked for.