yeah so this means that if i want to use a page's font family but not its font size, the user has to do extra effort, and set not just `font-family: "Comic Sans"`, but also `--some-component-font-family: "Comic Sans"`. i'd love it if i could just selectively inherit stuff and not other stuff, without the user having to learn which css variables my thing supports. of course you can't do this with domain specific stuff, but you could make a thing fit kinda sorta well into its environment by default, and right now using a shadow DOM doesn't let you do that.