This week, Highways England stated an awareness campaign highlighting the issue of tailgating. More information can be found by following this link.
Just remember the two second rule – always keep at least two seconds between you and the car in front. Increase this to four seconds in adverse weather conditions.
So, the pros of tailgating are: none.
Whereas the cons of tailgating include: reduced forward visibility leading to less time to react to hazards; inducing anxiety in the driver of the car in front.