Are you sure having a phone in your phone is a good idea? Phone calls are a significant source of attacks now, even if none of those attacks exploit a vulnerability in the phone software. As far as I'm concerned, the only point in having a dial-able phone number is to ensure I'm still eligible for car warranty scams and 2FA code harvesting attacks.

You’re right, my point was surface reduction, not that one tech is more or less vulnerable than others