Gordon is correct that discussion on many things are allowed in the Lounge even if they are superficially mundane.
The main things to avoid are political and religious discussions which can have polarised views or anything you might consider clearly controversial or which might cause offence. It’s easy to inadvertently stray into some of these areas when replying, many of us have probably done so.
You may have seen them already but worth reading the forum rules here:
The FAQ section contains some real gems of information about cables and so forth.