Not upset, it's a deliberate decision to not pursue the convergence criteria. Between 2016 and 2020 most of the criteria was nearly reached: https://en.wikipedia.org/wiki/Hungary_and_the_euro
Officially we didn’t switch to Euro, so they can manage possible financial crises better, e.g. for Greece it didn’t help back than that they were using Euro. Unofficially they get a lot of money by playing with the exchange rates.
It's been eons since I've seen those words.