These kinds of questions are not interesting, because EVERYONE ASKS IT. Every single HN question on this topic of "why would you do this" would have reams of evidence/theory to refute it and explain why you're a crazy person for questioning this strategy.
Even back in my day, we definitely had debates where the argument effectively was "This debate is racist, and if we don't win you are all racists" And so you would have to figure out strategies to fight back.
You can see it all the time in the rhetroic online with activists and whatever, people who don't know how to argue, arguing with others that are making either bad faith arguments or trying to figure out how to deal with Kritique style arguments. It waste's their time and everyone elses time.
By being able to argue for/against Kritiques, you gain the ability to quickly call out the fucking bullshit and go straight to the meat.