But if there are only, eg, three active threads on a page, you have to then scroll down to get to the button. And if you used it regularly then more often than not, you would be higher up the page than at the bottom.
Buy them a Burt Weedon Tune a Day - at least that way you'll have variation! I've had issues with upstairs neighbours but they've always been reasonable when I've had a chat. Maybe invite newbies in for coffee and explain your situation. Ask if they could play in another part of the flat or offer to buy them a rug to deaden the sound?