My issue with this is that the pit stops will be so long and variable (it's not mentioned in the article, but the driver must sprint 100m to switch cars, and a

My issue with this is that the pit stops will be so long and variable (it's not mentioned in the article, but the driver must sprint 100m to switch cars, and a 6 point harness is non-trivial to buckle and tighten,) that it will nullify any sort of on-track advantage, which is the actual interesting part of racing.