If this can happen, is it possible that once mandatory developer verification comes into effect, all 3rd party apps will be uninstalled at first and require a re-install?

Concerning this specific case, NFCGate is a tool on which malware (family) titled NGate by ESET is based, thus likely causing a false positive.

Oh, and no bypass is available anymore (aside from disabling play protect):

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[–] 1 point 5 months ago (1 child)

Are you new to Android? Play Protect has been a thing for a long time.

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