I work as a developer in a midsized startup that has around 200 people and ~50k customers.

Our privacy policy says we don't share customer data with any third party, except that we certainly do - we send each customer's extremely sensitive data to a contractor in China for processing, which gives us a huge price advantage, halving the price of our product.

On the one hand, I can't stand extremely sensitive information being sent to a regime I don't personally like. On the other hand, I grew a lot professionally thanks to this company as a developer and they pay nicely as well. 

What should I do, if anything, about this? Note: I've once said it out loud (stupidly) that our privacy policy says we don't share data with any third party, and if it's discovered, we may face a class lawsuit. Around 10 people heard me saying that.