Imo, it is more that having children has often effect of isolating you quite a lot. It can get very lonely as a result as you miss adults around. You miss friends with common interests as your social group become exclusively those with same age children but not much in common otherwise.

It is not necessary that entertainment is so great.it is more that routine and isolation can be quite big.

TV is compatible with kids. But most social activities are nowdays are not.