MIT and BSD open source licenses are well known, popular, and legally deprecated. They served long and well, but they’re older than many open source software developers, and haven’t been maintained.
With licenses like Blue Oak available, it’s time open source upgraded from academic forms of the ’80s. There are good social, practical, and especially legal reasons to do so.
Kyle goes on to enumerate all the reasons why the Blue Oak license is a better fit for open source.