The key statement in these posts is "he needs to be given a chance". Why does he? There's 100+ RB's in the NFL, most of them much better than Hayne and they don't get touches, because they have to earn it. Obviously Hayne isn't showing up in practices or he would get the touches. They see value in him catching punt returns, that's the one and only reason he even made the team.
Like I said there's nothing wrong with it, dude can be a great career punt returner, but at RB? Obviously there's something he ain't showing.