I think the question of will it be “exposed to the public” is the least of your worries.
Since the beneficiary’s country is Pakistan, with one short visit and a huge age difference, you can expect issues.
We have seen hetero relationships (specifically much older female American with young Pakistani man) go through years of administrative processing due to suspicion of fraud.
I would consider doing a Utah zoom wedding and/or spending much more time together in person before filing- otherwise you risk a NOIR.