Not really premature. Again you’ll see what I’m saying is backed up by stats over time as well. He is below 50th percentile in every single duel statistic, tackles, interceptions, any aerial duels etc. here’s a good scouting report I’ve read on him as well:
Micky van de Ven Scout Report: How good is Liverpool's CB target?
This exact description applies perfectly to Van de Ven as well, btw. He is a 4th percentile aerial statistics as per FBref. At 6’4” that’s appalling.
and Lukeba is significantly better on the ball, tackling, playing on the front foot, and passing.
Yeah he is, he’s going to replace Gvardiol and will almost certainly be a £60m+ signing for a top club in a couple years.