As someone else pointed out, you're overestimating Chrome/ium's market share. Regardless, after the web.dev/baseline announcement, I looked at Browslerlist and

As someone else pointed out, you're overestimating Chrome/ium's market share. Regardless, after the web.dev/baseline announcement, I looked at Browslerlist and one of our site's analytics and it is shocking how many people are not using the last two versions of evergreen browsers. There is a long tail of browser versions in those stats. https://browsersl.ist https://browsersl.ist