It used to be that kids were basically expected to leave the adults alone. Obviously, this idea has been reversed in a big way in recent decades. Modern parents let their kids bother the hell out of everyone, then consider you to be a curmudgeon if you don't like, say, being unable to spend five minutes reading without a 2-year-old shrieking and throwing things at you.
Is there any kind of actual proven developmental benefit to giving kids constant adult interaction instead of having them basically have their own separate space to play amongst themselves? Not so sure that I consider this particular aspect of modern parenting to be an improvement.