I think you understand at this point and are just nitpicking to avoid admitting it, so goodbye.
You said "you're wrong, it is optimal".
Now you say "it is not optimal, but it is very good, and I think you are nitpicking when you say it is not optimal".
Sure, I'm nitpicking. I was nitpicking from the beginning on, I'm not sure what you were trying to say now.
I think you understand at this point and are just nitpicking to avoid admitting it, so goodbye.