Where does it say "No matter your experience 3 years to upgrade" ?? Because I was under the understanding once you have 3500 FACTORISED Wizz air hours your are eligible for an upgrade?
Although I may be wrong, But this is what our OM-A/D says!
Guys no one is forcing you to take the job, If you don't agree with the T&C's don't join, and go to that better outfit!
Good luck