Dead on. Infraestructure is more complex.
Investement in infraestructure in Catalonia is smaller than the ratio of population. And not all infraestructures are social infraestrucuture.

Can you imagine the mess in the number on how to count roads, airports and so on and on and on? In theory , this should be ivnested mainly by the central government now... so who would take care  from now on? A part will help poor areas but most of it it is linked to the comparison wiht the level of infraestructures on airports, public transport and roads in the other big center: Madrid. How much money in the future and compared with what others areas of Spain?

So, yes you are right, the topic of infraestructure is such a mess that I doubt I/they can convince anybody. Even people working on it do not have the things clear (every six months the catalan govermnemnt asks the central governemnt to perform and release a study on the subject so to have some numbers....no way to get it). In any case the governemnt in catalonia should have a level of investment according to population (3 points less than the GDP) in infraestructure, I do not care where it comes from.

A pleasure

I therefore claim to show, not how men think in myths, but how myths operate in men's minds without their being aware of the fact. Levi-Strauss, Claude