Just because it's not CNN or the NYT saying it (they would never go against the state department unless public opinion has already massively shifted) doesn't mean it's a bad source.
Le monde is one of the most "reputable" sources in Europe and they're corroborating, is a good source only a US source? For a conflict on the other side of the world? There's literally video evidence of the kidnappings.
"MEDIA PERSONALITIES LIKE" is a pretty important part of that sentence that you shortened to sound conspiratorial. It would do everyone well to read the entire article rather than look at the shortest quote for a gotcha.
That's like the fourth paragraph. So, yes, even if you don't know him, that's very influential. The article also goes over plenty of examples across Meta, CNN, NYT, Google and many others.