Authors have a responsibility to make their words comprehensible if they want them to be comprehended in a specific way. “It is” typically indicates a statement of fact. I think you could aim for “I find it concerning” or “I’m concerned that” or “___ is concerning to me”. There’s an aspect of nuance or subjectivity here no doubt, and I’m open to the possibility that you unintentionally communicated an insightful opinion poorly, but I’m pretty confident that’s the case.
Squabbling about grammar aside, looking forward to hearing your thoughts once you watch the video. I thought he was hit and miss, but I don’t put much stock in loose plays and miscues in a game like this. This really isn’t the context where I’d expect him to shine. I think his defensive skill set is the best of the group, the tools are great, looks like he’s grown. I’d still take him over others drafted after him.