5plus, look at the trucks that are extreme off roading. They have HEIM joints and uniball a all over
That can obviously be explained by simply needing the greater range of motion, and being willing to do a lot more maintenance.
That special care requirement is the very definition of weaker not stronger. It's more specialized to be better at one thing, at the expense of all other things. You take it extreme offroading one weekend and then spend the next 2 weeks prepping it again for the next event, just like a race car or an extreme anything-else.
While mom drives the stocker around and never does 5 minutes of maintenance.
Neglect a heim joint with weight hanging directly sodeways 24x7 for 20 years of winters and salt etc without it popping out and then you can call it "stronger".