It’s hardly based on a few months of form. He was only playing at the Villa in the first place because we couldn’t get the work permit. That barrier no longer applies so we can pick up the player that we wanted all along. When he was playing for us, admittedly in preseason games, he stood like a sore thumb, not only in terms of his mobility but also in terms of the ease with which he had picked up the system. He also strikes me as a player who won’t be settling just to be a back up, so at that price I’d rather get him in now and let him compete.
Maybe but we've seen him struggle in the PL for longer (and during a time the integrity of the league wasn't in question - ignoring VAR) than he has done well. Some of that may be down to youth, new country etc. but it's unknown at this point.
Zucullini looked decent in pre season too. I don't put much stock in that.
Luiz has talent and looks like he could become an allrounder type DM like Dinho was but it's far from certain and likely wouldn't happen for a few years yet at the needed consistency and with the buy back only going up a few mill next summer and this summer being so important - we must as least win back the PL - I'd be going for
guaranteed quality, esp. in midfield.
Another year developing at Villa rather than being in and out of the team here (and probably sometimes not even on the bench) would probably be better for him in the long run.