The staff like me being there, someone to talk to, and a couple of them have an interest in my job.
If I'm in for a while I will usually have a second cup of coffee.
If the clear up ladies are not busy, they will sometimes fetch the second coffee for me, so I even get table service.
Your remark about freeloading - also made by
@gavintc - shows neither of you know the half of it.
As an ex-copper you ought to know that a member of the establishment's staff can ask me to leave at any time, without giving a reason.
The fact the reverse is true and they make me - and others - welcome ought to tell you something.
But sadly, like a handful of other contributors, you are too busy grinding various axes to make a rational assessment of the situation.