More or less. What it comes down to is that when one is unable to confess, one is free of that requirement. The church does not expect us to do the impossible. It’s the same with viaticum. If someone can receive the Eucharist, but can’t talk in order to confess, it is permissible to give them the Eucharist, provided other conditions are met, such as the person demonstrated when he could talk a desire to be reconciled, or there was at least a well-founded hope that he would confess if able. Given the relative frequency of death bed conversions, this “hope” can be pretty liberally interpreted. (on the other hand, if the person were a committed apostate, for instance, we would respect his obvious wishes and not administer the sacraments. The Church does not impose belief or reception of the sacraments on anyone.)
Ideally, the person will be able to make some gesture, squeeze a hand, blink their eyes, something, to symbolize contrition for their sins. In this case, the prayer of absolution is prayed, the person is anointed, given the apostolic pardon, viaticum, and then the prayers for the dying are prayed,
Basically, the principle is that in danger of death, the salvation of the soul always takes precedence. It’s not that we throw out all of the rules, but we err on the side of caution. Better to anoint someone or give an unrepentant sinner communion, than to deny viaticum to someone who is repentant and can’t express it due to an incapacity beyond their control.