This is what I see https://v.redd.it/pzma14ni23vc1 for post titles, while comment link https://www.reddit.com/r/UkraineWarVideoReport/comments/1c6h...

First one is also dynamic, so next ~day its different breaking one of the fundamental features of HTML - :visited link color.

Saying they hide it might be a bit of a stretch, that URL just 302's to the comment link with the title-in-url as usual. I guess you're referring to being able to right-click and copy the url directly?