It is actually a good idea.
I see no path where this would be a good idea unless you want to create a group where everyone thinks the same. If Hungary is a bit of a flip flop in terms of democracy then either they have to focus their attention on improving living conditions there so people realize the value of their alliance (if that's the purpose, improving living conditions) or realize that Hungary isn't a good fit for this type of alliance a…
But second, regardless of Hungary, anyone can veto is dysfunctional system.
> unless you want to create a group where everyone thinks the same.
Everyone has veto is literally a system where everyone must think the same, else nothing will happen.
> Removing veto power probably makes it more likely that the next Orban pulls them out of the EU entirely which might not be in the interest of the alliance.
That would be bad for Hungary, but good for the rest of Europe. Hungary presence in EU was damaging to EU for years now.