On the subject of email verification; Why not split the difference. Verify but give a 24 or 48 hours grace? I noticed you said "meaningful" impact and not "no

On the subject of email verification; Why not split the difference. Verify but give a 24 or 48 hours grace? I noticed you said "meaningful" impact and not "no impact". If your optimizing this seems like the best of both worlds in the slight increase of conversion and the security of verified email?