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One datapoint: at least in practice, it used to be impossible to delete an entry in the French INPI database (trademarks and company names) without eIDAS. It forced me to unearth an old unmodified Android phone (I run LineageOS on my main phone).

If you read French:

* https://www.plus.transformation.gouv.fr/experiences/4531155_...

* https://linuxfr.org/users/jch-2/journaux/l-identite-numeriqu...

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Oof, that's disappointing to hear. Thanks though, that's actually quite interesting.

I'm also thinking of keeping an android phone purely for auth purposes, separate from my main one. The world's most overengineered (and probably also less safe) Yubikey.

> If you read French

Let's see how far my five years of French at school will get me. I'm not getting my hopes up ;)

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Also if you are legally required to be able to use some backup mechanism, it can become the de facto requirement
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