Yes, exactly. That is why I buy games to play. $10 off makes me happy too. Can't the devs be happy and me happy? Or do I have to shaft the devs in order to be happy?
Actively installing spyware to my PC doesn't make me happy.
You can always check EPIC store's T&C to see if it still violates EU laws in the privacy part.
Right now their Privacy Policy updated on December 19, 2018 , which is a few days after the "The Epic Games Store does not seem to comply with the GDPR laws " Reddit post.
They changed to some sketchy wordings but it is the same.
They clearly says in the Privacy Policy that you can ask them to restrict processing on your privacy data buy your requirement is temporary.
They will not be permanently obligated to adhere to your request.
They will lift such restriction anytime they wanted and use your personal information without your consent.
They will happily decline your request on "stop processing your personal information" if "their interest in continuing to process your information is sufficiently compelling to legally override your interest in the request."
So basically once you bought something on EPIC store, your basic information and credit card number are in their possession.
Delete your account / actively request them to delete are useless because your request is "Temporary" to them and they will lift such restriction after period of time.
And they can process your credit card information and decline your request to stop doing it "When their interest is sufficient to override your interest".
Good luck and enjoy your $10 discount.