Today, those factors have been all but completely resolved, and DW can be acquired immediately upon need and is, therefore, unnecessary up-front insurance. (Just my take on it; I've never upgraded from v 4.) [/quote]
Not if you can't get your Mac to boot up!! But I have learned I need an external drive in case that happens.
MacBook Pro - M2, Ventura 13.6 Safari Tech Prev 17.0 Safari 16.6 Firefox 116.0.2 iPhone 7 Version 15.8