https://user-images.githubusercontent.com/43663476/143572605-59ebf00f-e478-4849-879a-2d7f3a737a4b.mov
At the moment, the Safari Reader action upon which my iOS-borned Siri Speech Synthesis Shortcutdepends is not functioning on MacOS, so I've created this (hopefully temporary) solution that performs the same function, though it will require you to select and/or copy the body of an article to the clipboard yourself.