The knowledgeable and handsome poster is absolutely correct about Rangnick being a outdated coach when it comes to implementing a proactive/ attacking play style for today's game. But that's in comparison to the likes of Guardiola, ten Hag, Klopp, Luis Enrique etc. But in comparison to the managers we've had post Ferguson, Rangnick wasn't out of date as far as attempting to implement a compact high block with counter pressing capabilities. And the alternatives were the likes of Rudy Garcia, Paulo Fonseca etc, according to reports.
Ronaldo is still here, so it'll be interesting to see what ten Hag does tactically against the ball, and it wouldn't surprise me if ten Hag creates a effective counter pressing strategy with Ronaldo in the team.
Yes, ten Hag did say that in his first press conference at the club. But that still wasn't good enough for some people who needed further validation.