The reason I didn't think up suggestions is I really don't expect anything to be done about it, since I'm aware others have praised this feature. The bitch was just to influence future decisions.
On the other hand I have to wait for the new screen to appear instead of just going on to wherever I intend to go to, and the delay is long enough that every once in a while I notice there's a new post - but my finger is already executing the "mark all" stroke so it gets marked as read too.