Its not.

If you call 119 it gets assessed and potentially forwarded to the right department, which then assesses it again and might (quite likely will) trigger an inspection. The people who turn up have broad powers to seize children from the home in order to protect them from abuse.

In general this works fine. Unfortunately in some circumstances this does give a very low skilled/paid person (the inspector) a lot of power, and a lot of sway with judges. If this person is bad at their job for whatever reason (incompetence/malice) it can cause a lot of problems. It is very hard to prove a person like this wrong when they are covering their arse after making a mistake.

afaik similar systems are present in most western countries, and many of them - like France - are suffering with funding and are likely cutting in the wrong place (audit/rigour) to meet external KPIs. One of the worst ways this manifests is creating 'quick scoring' methods which can end up with misunderstandings (e.g. said a thing they didn't mean) ranking very highly, but subtle evidence of abuse moderate to low.

So while this is a concern, this is not unique to France, this is relatively normal, and the poster is massively exaggerating the simplicity.

I've seen that during harassment; in one YouTube live the woman claimed:

    "today it's my husband to take care of him because sometimes my baby makes me angry that I want to kill him"

-> Whoops, someone talked with 119 to refer a "worrying" situation, baby removed. It's already two years.

There are some non-profit fighting against such: https://lenfanceaucoeur.org/quest-ce-que-le-placement-abusif...

That being said, it's a very small % obviously not let's not exaggerate but it's quite sneaky.