>You mean EU politicians decided.
Well parliaments tend to have politicians as members, yes. That's generally how representative democracy works.
>I want the right to use my data as I see fit, including exchange it for "free" services and products.
You can use your own personal data however you want to, the GDPR has absolutely no limits on that. And if you want to give your express consent for others to use your personal data in any way they see fit, you can also do that. Consent is a legal basis for processing personal data, after all.
They just can't use my personal data - or the personal data of anyone else who has withheld consent - like that.