>>936685901
It comes from a multitude of sources.
Disabled people, LGBT, government morale experts etc.

The very idea that you, as a disabled person,n do not see why some need it is both good and bad.

Many disabled people live a life of isolation and become depressed because they believe they are worthless and a drain on society. Society at large wants this to stop, so wants to find ways to inspire those people to either see that they are worthy and should not be upset that they only contribute what they can, or see that they can find hope in doing what other disabled people do with their time.