That doesn't have anything to do with protectionism. Are you confusing protectionism with state-owned companies?
> For the trains, the core issue here is that the network has a value has a whole
I'm talking about train sets, not rail networks.
Rail networks in the EU are becoming open as well (which is the point of the article, in case you didn't read it), so SNCF is having, due to competition, to buy more efficient train sets to be able to compete with potential new entrants.
Which is good for society.