I understand it's not your first language, speaking 4 is impressive, however we are in the game of English proficiency. Which is even more important when a Captain.
Anyway, I can understand your frustrations, however to get the 10 Euro extra, people need to show, that once they have the experience they'll be in a position where more than likely they'll be ready to upgrade. That's why you can be in this system for 18 months receiving this extra payment. You however have the hours now, yet your sim obviously shows you don't currently meet that part of the requirement. Therefore with needing two consecutive sims to have grade 3's or better, how is it you expect someone to say yes this person is ready to be in the upgrade system - or will be ready in another year, when currently you've not shown evidence that will be the case?
Sorry to sound harsh, but ask yourself if you'd recommend someone in your situation.