I was going to post but found some topics already. Seems like many are in favor of deleting the tags once there is a solid review or the road changes.

https://community.openstreetmap.org/t/consolidating-values-of-tiger-reviewed/109890/6
https://community.openstreetmap.org/t/proposal-for-mechanical-edit-remove-all-tiger-tags-for-items-with-tiger-reviewed-yes/109925/4