Literally no. It only works if you stop consumerism, full stop. food and necessary gas are fine to buy. But if you stip buying most things the economy will slow. And they'll notice. But people don't know how to properly boycott. They want their cake and to eat it too.

About labor unions endorsing this, they will not want action this weak. If they're going to commit it will be a full commit, not some half hearted BS