I think Squarcini might have a bit of a bias towards minimizing the importance of that kind of spying, since France is one of the most aggressive state-sponsors of industrial espionage, after China and the US.
But the gist of the article is "yeah, of course they're going to do it, if we give them the opportunity".
We european countries really shouldn't be giving the US so much opportunity to spy on us.
I admit that's something I said without thorough research. It's just something that pops up in discussions about industrial espionage, or about the DGSE, or about the french military-industrial complex.
So Germany was being spied on while developing a system to spy on others, preferring to introduce a US Trojan horse in the EU through it rather than develop it in the European structure because it is French-dominated...
But the gist of the article is "yeah, of course they're going to do it, if we give them the opportunity".
We european countries really shouldn't be giving the US so much opportunity to spy on us.