You can pander to aspirational intended later reading fantasy by using [favorite] for posts and same for individual comments (if you select on the comment time stamp).
You can unfavorite after reading or just grow a longer and longer list of get around to that later.
> or to mute individuals
Reasonably easy with custom filters on <favorite> afblocker extension.
No large jpg images to load. Works on most platforms.
I would not mind a few more search options and an ability to flag items for later reading or to mute individuals. But, overall, it is fine.