By that, I know it’s not behind closed doors or undisclosed, nor requiring compromised certificates.

I don’t know how you reached that second conclusion from the fact that there’s a government website, but as https://last-chance-for-eidas.org/ mentions, it was hidden in plain sight, in that eIDAS wasn’t hidden, but the specific consequences were:

Although the deal itself was publicly announced in late June, the announcement doesn’t even mention website certificates, let alone these new provisions. This has made it extremely difficult for civil society, academics and the general public to scrutinize or even be aware of the laws their representatives have signed off on in private meetings.