Because GDPR has nothing to do with cookies. You can have cookies without consent. Tracking requires consent even if it doesn't use cookies. You can block so

Because GDPR has nothing to do with cookies. You can have cookies without consent. Tracking requires consent even if it doesn't use cookies. You can block some tracking in the browser, but server-side tracking generally can't be blocked. GDPR cares about whether you are tracking, not about the means you use to accomplish it.