I agree, there's nothing worse than going out for lunch and having the occasion being ruined by other people's children (or dogs for that matter). So many parents think they can control their children but don't.
I was in a restaurant which wasn't very busy, but the parents thought it was entirely acceptable for their children to race round the room, under the empty tables, playing hide and seek etc - parents looking on indulgently at their 'spirited' DC
it ruined what should have been a nice lunch out for DH and I. Yes, I am a parent but the minute my DC misbehaved in a restaurant one of us would take him out.
I am sure this pub will now get plenty of bookings from people wanting to eat out in a child free environment.