Yes, someone who truly wants greatness should be able to hear a poorly thought our argument, cognitively question the counter party to help them articulate exactly what they are thinking, or even articulate it better themself. Then you can weigh and measure competing arguments.
A high-functioning team is going to have at least one person who does this. For a perpetually high functioning team this is going to be second nature.
It's hard to do but my current boss is pretty good at that. It can require an amount of forced agreeableness and sometimes sidebars to get each party to fully spell out their line of thinking so the strongest voice doesn't simply win.
Often you want to do this simply to map out the min/max risk matrix to either side of a debate, so you can make informed decisions.
A high-functioning team is going to have at least one person who does this. For a perpetually high functioning team this is going to be second nature.