Not necessarily agree, just bow down.

But viewing a page is definitely counted as traffic.

I think you mean precindent

Put up a No Whites signs in front of your businesses to really make some noise.

It warms my heart that Twitter spent millions developing a product that will never take off ❤️

They are required to comply with it if they want to offer services to European customers. If they don't comply with the local regulation they will face fines and if they don't pay them and become compliant, they might have their access blocked from within the EU.

The same is true for Brazil, which has similar legislation to the GDPR to protect Brazilian users from online services abusive practices regarding their data. Services can and have been blocked in Brazil for failing to comply with local regulations.