I'll throw in my 2 cents. While I would choose a heim joint just because they are common and easier for me, the tie rod end is going to be as safe as it gets. If a light load of a four link suspension is enough to shear a tie rod taper off, I think were all in trouble with using them on our steering. In the AG industry I've seen tie rod ends used in every angle holding many times the weight the rear end is ever going to see and they last for years and years. At the end they start getting a little loose just like any other joint will do with continued use. That's just what I see.