Is Google Voice good for 2FA? How to maximize privacy?

Hi all, I've read here that Google Voice is better for 2FA than one's mobile number. Reasons include: 1) the Google Voice account can be locked down with 2FA; and 2) the number is locked to prevent porting. I'm considering implementing this strategy, but I'm concerned about installing Google apps on my device.

I purposefully don't have any Google apps on my iPhone. It's clear to me that if I install the Google Voice app on my iPhone that the …

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