Your linked article is some Google researchers reporting some bugs in Safari which were mostly patched a year ago. It seems like they disagreed about whether some were patched initially.
That doesn’t mean Chrome is more secure. They literally install user tracking and tie you to your Google account so they can advertise to you and better sell things. There is nothing secure about a browser built to monetize your data and send it to the cloud for analysis and machine learning. Meanwhile they have their share of bugs as well. What do you think about this one which is more recent?
https://threatpost.com/google-chrome-bug-data-theft/158217/
A vulnerability in Google’s Chromium-based browsers would allow attackers to bypass the Content Security Policy (CSP) on websites, in order to steal data and execute rogue code.
The bug (CVE-2020-6519) is found in Chrome, Opera and Edge, on Windows, Mac and Android – potentially affecting billions of web users