Today. But, no reason why we couldn’t change the rules to let these vehicles travel in the right lane only. Just as trucks are restricted so on certain highways.
Technically, everyone is expected to drive in the right most lane unless they are passing or there is a left-hand exit coming up.
This would just force average speed drivers into the left lanes and slow traffic down overall, and contribute to more traffic jams as the uneven speeds cause ripple effects.
