To put it another way: SNCF likes high-speed lines because high-speed trains bring profit and would like to toss branchlines and thin out rural local trains because they don't. The Court des Comptes and the new government doesn't like high-speed lines because they are high up-front investment which will bring back the money on the long-term if at all. Thus whatever they say, they like major investment in conventional lines with much lower probability of bringing the money back even less.

_{*Lunatic*, n.
One whose delusions are out of fashion.}