Yes the level of our league is relatively falling down but I don't think there's anything we can do about that right now.
France, Russia, Ukraine, Turkey, at least these soon or later (France and Russia already are, and domestic-league-wise France has been better for a long time now) will surpass us in european performances (historically it will still take a while, and as it is more long term it's not certain too because something good may happen to us, it's more unpredictable).
All the football money we have is syphoned into just 3 clubs, and still those can't compete finantially with the big clubs of these countries.
The power of these leagues' "minnows" are also incredibly stronger than those of our league.
If there is no radical change we will eventually hit a present Netherlands situation, a small country still producing talent but things aren't just working.
In fact I think we are a good parallel to Netherlands in general.
BTW did you see Proença (president of the Portuguese League) saying he is working on the Iberian League?
http://www.record.pt/multimedia/detalhe/liga-iberica-vai-mesmo-avancar.html
I find it very weird that in such an important thing the clubs don't seem to have been heard or talked to?