No application can do everything its users need, and none should offer everything they want. For this reason, AppleScript has long been the perfect adjunct to iTunes, which is already feature-rich (some say “bloated,” but I disagree), and doesn’t need more options and tools. Many of these AppleScripts are designed to tag files, edit their metadata to correct errors, improve consistency, and ensure that users can find the files they want, and help them efficiently use smart playlists.
It’s not clear whether the termination of Mr. Soghoian means the demise of AppleScript altogether, and particularly in iTunes, but many developers, iTunes users, and others are concerned by this decision.
You see, it’s all about freedom. Freedom to do things we want that Apple doesn’t think we need to be able to do. Freedom to explore. Freedom to discover new ways to link applications, to interact with files, to create our own solutions. We can’t expect apps to cater to all our whims, and tools like AppleScript and Automator allow us to go a step further and discover ways to do things that Apple never even considered.
Losing AppleScript and automation features altogether would be a horrific loss for the Mac. However, I don't think that's going to be the case. Like Jason Snell, I believe today's Apple finds this stuff uninteresting and "vintage"; rather than removing it, I feel like they'll stop pretending they care about it, just as they did for Dashboard. Which isn't an ideal scenario either, but between two poisons, it's the one I'd pick.
See also: Dr. Drang back in 2013, 'When and why I automate'.