As I said, you are entitled to your opinion.
It doesn’t make you right to have an opinion and neither does it make me right to have a different opinion.
His numbers against the SPFL dross may well have been good.
His numbers in the matches against Celtic and in the UCL group matches tell a different story.
Yes, he played well against PSV.
We will only ever find out if he is worth the money if he signs.
If he doesn’t, it is an academic argument, and you can shout till your blue in the face as much as you like, but we will never know.