oooo how annoying....
When I first read the thread title I thought "Yes children can, and should sometimes, be expected to play quietly" but then I read about this silly old bag and thought what utter rubbish.
DS1 is 4.5yrs old and, yes, sometimes I DO ask him to play quietly - and he does do it - but as a general rule as long as he's not shouting and screaming the house down while playing I let him get on with it,
We've got an eldery neighbour too - but (thankfully) although he's 76 and lives alone he's also got 6 children, about 10 grandchildren and 5 great grandchildren - who often visit him and so he's quite happy for the boys to play noisly outside - he's even said if their ball goes into his garden just to open the gate and get it (old terraced houses with the 'path' throught he back to get the bins out).