Yeah actually I think he is. It’s 2 years, they can’t change everything in a few years. Look at our deep state. It would be nice if everyone could just waive a magic wand and all the corruption would be gone. They are trying.
Did you read the article at the link? Skip down to the section titled “Zelensky’s ties to the oligarchs”.
While it’s possible Zelensky would like to curb corruption when listening to his better angels, he has not made serious efforts to do so, nor, likely, could he. It’s incredibly dangerous, not only politically but physically (as in a grenade gets thrown into your car while you are in it, etc).