Yes exactly, By including [hobby] here, you're able to weed out people you won't connect with for other reasons. Going back to hiking as an example, you can we

Yes exactly, By including [hobby] here, you're able to weed out people you won't connect with for other reasons. Going back to hiking as an example, you can weed out unfit people without having to actively filter them out, as they'll see your profile and your like of "hiking" and self select out. People do this with a lot of things on their profile, they don't seriously care about whatever that thing is just what it represents.