> how does one politically organize against a billion dollar industry which is friends with, and donates to, the ruling class?

You're mixing the places of horse and cart here - the ruling class is ruling because it's organized. Organization comes first, the presence of other organizations, be them ruling or not, has little bearing on the process.

> we just post about it online and click 'like' or post emojis.

That's what you do without organization. It still helps though, getting to the truth isn't easy these days.