"I always indicate even if I can't see anyone about." Well of course. "Nobody else is here" looks the same to you (and me) as "I haven't seen that other road u

"I always indicate even if I can't see anyone about." Well of course. "Nobody else is here" looks the same to you (and me) as "I haven't seen that other road user", and in the event that you haven't seen the other road user, the only chance they have is for them to take action and they really, really need the warning of your indicator lights.