

It does not, but you can block/unsubscribe from communities that have too many of them on the main feed, or block particular users from showing up, which can help with the repeats. That otherwise takes more logic on RSS, and isn’t really possible on the website.
There’s also an argument to be made that they could have just had an integration to let an iPad be used as a touch screen interface.
You can already use a Mac’s keyboard and mouse inputs on an iPad, it being able to go the other way wouldn’t be particularly strange.