Cookies track you across the internet. Google wants to phase them out.

Found on NBC News on Thursday, 16 January 2020
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Google has announced plans to limit the ability of other companies to track people across the internet and collect information about them, a significant change that has widespread ramifications for online privacy as well as the digital economy.

“We are looking to build a more trustworthy and sustainable web together, and to do that we need your continued engagement,” Schuh wrote.

Read it again: "to limit the ability of other companies". Yes, of other companies. Not of Google. So you will still be tracked (even better than before because the browser will report directly to Google), but Google will make your profiling data more valueable because others get cut off.