the reasons for a crap service must be elsewhere
The problems you describe are not unique to the aviation sector in Spain, just look at the road network surrounding Madrid for example...it's a shambles with hardly any planning whatsoever, fast road entry & exit is an experience fraught with danger, Spanish TV regularly broadcasts the aftermath of RTAs in graphic detail. Transfer this culture across to the aviation sector and you see similarities. The only solution I can see is an outside team of overseas experts brought in to retrain and monitor the present encumbants and that includes the Trainers themselves.