I’ve never watched Barney so I can’t comment on that.
But a down syndrome child has cognitive abilities. They also have normal male/female desires, but often have less inhibition. You would probably want to be even more careful with a child like that.
Mod-80, you never explained what was wrong with a mouse teaching my son shapes.
And FTR, I understand why people don’t allow themselves to watch any (or very minimal) TV. I just think they don’t understand that there are kosher things on TV as well.