It would be a pretty miserable ‘shrug’ if you just stayed indoors all the time.
They aren’t staying inside all the time, necessarily. They just aren’t engaging with people. They are attending to their interests because that’s all society expects from them.
They might be indoors but they might be more connected to like-minded people all over the world; more connected than if they went "outside" in their own neighborhoods.
The government has gone out of their way to break up communities, mix in all sorts of people who hate America and our ideals. Workplaces have become woke toxic sewers. Men wisely refuse to associate with coworkers. It's all risk and zero reward. The government really thought they could reprogram people with the help of the propaganda media, and that white males would except the worst deal in history.
Instead, males in particular find like minds through the internet and don't suffer fools who might live nearby.