Sadly this isn't news. Apple have been doing this for the last 5 years at least. I support a large fleet of Macpros (Ha, yeah "fast" and "magical" with 5 year old procs in them) Everytime an OS upgrade comes along something is silently broken. Trying to get support is a nightmare. For example when they changed which version of kerberos they used without any warning. Or changing the syntax of automount. Apple are shit…
Apple is shit, Google is shit, Microsoft is shit, and the list continues... Not trying to defend anyone here, but with so many customers, products, software versions, it's no surprise problems will occur, which are sometimes inappropriately handled. This goes for any company, Apple is no exception here. I have years of anecdotal evidence of only positive experiences with Apple products and customer service, the only…
My ISP uses their mail service as their web mail access. Through many updates to Yahoo's web mail app, I always neglected not to update and was able to continue using my more than 10 year old mail interface, until recently when I finally decided to agree to update.