I think the argument that most X'es are self-updating browsers. I'm not sure how valid that is, but it seems to me that you need to do active effort to be eg on

I think the argument that most X'es are self-updating browsers. I'm not sure how valid that is, but it seems to me that you need to do active effort to be eg on Firefox 70 today. The big non-self-updating X is IE11 which the author addresses separately.