Agreed: that's why I said it would be especially worrying if this "secure enclave" Apple talks about is cracked and if it's then possible to reconstruct fingerp

Agreed: that's why I said it would be especially worrying if this "secure enclave" Apple talks about is cracked and if it's then possible to reconstruct fingerprints from the data inside. But unless that happens, the iPhone itself doesn't make my fingerprints any easier to leak; someone can already get them from everything I touch!