I'm not sure you can differentiate, as some are, between what is the responsibility of the owners, or the manager. The owners hire the manager, so by extension its the owners who are responsible for the success or failure of that manager.
If you look at the appointments under Enic, one of the biggest issues is the polar opposites they have signed at points - this takes 2-3 seasons to change from one approach to the other (watch Utd now under Amorim - they have to do a full about turn and its not easy).
I'm broadly pleased with the standing and status that Enic have afforded the club, but I do wonder about the overall footballing strategy before this last 2 years. That being said I really don't see the point in yet another reset unless we literally are sucked into a 10 games to go relegation battle. There's plenty of examples of managers taking time to build their dynasty and even great like Fergie came really close to failing just before they lit the touch paper and won everything on the table. I'm not sure that Ange can do that, and I'm not drawing comparisons with SAF, but if you consider that Poch at Cheatski took all season to get that team working, Arteta was on the chopping board for 2 years before Arsenal got back to what they wanted level wise. His winning a cup in 2020 is what kept him in the job when it went wrong - and it went wrong a lot. They finished 8th in both his first two seasons and he lost more or less 40% of their games.
This would be for me why we need to let this season play out, reconvene and then go again for 2025/26. If 10 games into season 3 we are still up the creek performance and consistency wise, then the end comes.