What are you even talking about, Don?
The post I referred to said Wenger left us in a state of finishing 6th-10th. I said Wenger's last year was an outlier, which it was (20 odd years is more than enough of an example). The next guy finished 5th by a point. Basically the trends don't support the supposition.
And now we have an absolute clown in charge who has somehow convinced important people that he needs another 400m and time to beat Brentford FC.