Yes but in the real world all smartphones are either Apple or Android. Europe has zero footprint in either software or hardware. It is not creating a requirement to use specific products, it is using the products people already have.
So one may argue that the implementers are only taking the pragmatic approach regarding something that is out of their hands.
We're talking about an essential government service, not just another weather app. You have to look at this through the lense of national security, the debate about EU digital sovereignty, and the requirements of the GDPR in light of the US CLOUD Act, as well as prior decisions of EU courts about these issues.
It literały has created the dependency on google when thought Android offers the standard/generic AOSP attestation.
Also you weirdly forget all the Chinese phones. There's also some tiny European brand which will have absolutely no way to limit their users dependency on the famously hostile and unconctactable provider.