You need a judge and jury for prison sentences for criminal convictions.
If the government decides to prosecute the matter as a civil infraction, or doesn't even bother prosecuting but just has an executive agency hand out a fine, that's not a matter of the corporation shielding people, that's a matter of the government failing to prosecute or secure a conviction.
If the government decides to prosecute the matter as a civil infraction, or doesn't even bother prosecuting but just has an executive agency hand out a fine, that's not a matter of the corporation shielding people, that's a matter of the government failing to prosecute or secure a conviction.