See https://youtu.be/DNXEORSk4GU?si=FaHmoCzBpQPF9eeS&t=1161 for context. In this video, the dev explains that they used to put @starting-style at the top of their rule, which felt more natural, but now that we've changed how Nesting works, that no longer works - the plain declarations are no longer shifted above the nested rules, so the @starting-style styles lose due to order-of-appearance. Instead, you have to put @starting-style below your other declarations.

This feels like a frustrating footgun. Would it make sense to have @starting-style introduce a new, lowest bit of specificity, so it'll win over plain declarations in the same parent rule regardless of the order it appears in?