That is why I don't do either

Stationary bikes don’t have the function of getting you somewhere. Arguments usually are supposed to persuade people, but you can also argue just for the fun of it

Bingo! Yesss!

You benefit from the bike though

As unkind as it might sound, arguing with someone who has Alzheimer's would be a classical example of that analogy.

that's true

I try not to get sucked into arguments with idiots because then I have to wonder who the bigger idiot is. Sometimes, it happens though… despite my best efforts and yes, I know exactly what you mean. 😅

No, because discussing with such people doesn't even burn calories