Can we have an option to collapse all the threads too?

Meant primarily for long threads (35+ comments)

Mainly because sometimes we just want to get to the reply box after reading through a long comment section and checking several times over now that highlighting new comments is a default feature and the fastest way to do that is closing a bunch of threads or tapping the screen a few times/scrolling.

Admittedly it's kinda silly but being able to collapse all the threads and get straight to the reply box seems like a pretty good QoL feature.