That's something I'm not sure I could disagree with more. My single biggest issue with Scott has been that he's still basically the exact same player he was when he first broke through. Maybe slightly better defensive positioning, but otherwise I don't think he's improved at all. Still makes the same mistakes, still has the same strengths and weaknesses. In fact I would say that his longest run of actual good form was in the latter part of 18/19 and early part of 19/20.
In his defence though, I think a big reason for that is that the management and coaching teams we've had since he broke through have been atrocious at developing players. I've mentioned that in other posts about other players, and I think Scott is another good example of it. He has the occasional good period where it looks like he's finally going to come good, but after a month or so he drops back off. He's had a promising start to life under ETH so I do hope that this time it's the real deal, but I can't help but remember that he did the same when Rangnick took over where he was very good for the first month before losing all form again. ETH is the first I have faith in to develop players properly though so fingers crossed.