Why is first-party web tracking very difficult to prevent?

Why is first-party web tracking very difficult to prevent?
A . The available tools to block tracking would break most sites’ functionality.
B . Consumers enjoy the many benefits they receive from targeted advertising.
C . Regulatory frameworks are not concerned with web tracking.
D . Most browsers do not support automatic blocking.

Answer: D

Explanation:

Reference: https://www.opentracker.net/article/third-party-cookies-vs-first-party-cookies