I think what I wrote was quite clear?
My personal feelings were that some parts of his testimony were a bit slippery.
I don't feel strongly enough about those feelings to get into an argument with anyone about it.
You can, of course, view his testimony yourself, and the transcript. You're free to make your own mind up. I was just voicing my own opinion - as I made clear.
If you don't like my opinion you're perfectly entitled to form your own. I won't object.