Businessmen in Spain sees the worker as another machine in the factory and a lot of them work actively to fired the workers that try to unionize. I talk from experience having worked in 2 some what small (50 to 150 workers), family-owned companies, where in one, the union representative was the son of the owner and in the other there wasn't any union because 2 years before I entered, the person who tried to create a union office in the company was fired and reported to the police with false pretences.
You have exceptions of course but the vast majority are very very conservative with ideas between right wing or extreme right wing.
My opinion is that the wealth, like in any place, is very very bad balanced. Studies are viewed as useless, because they won't give you a good job or because there are some part of society that sees them as something not cool. We don't have a solid STEM-based industry like for example Germany or France. Also, We are highly dependant from tourism, being tourism the largest sector in our GDP (in some regions is the 25% )and we don't re-invesment that wealth in R&D, which is arround 1,25%.
Plus political instability from various populism movements is the perfect mix for a country stuck in time. Without any project of future.