Driving standards and how to police them often come up in motorsport. Incidents will always happen, and every now and again an organising club or championship will decide a clampdown is needed.
Safety is an ever-present issue, and if a series gets a reputation for being too lax on rough driving some competitors can be put off, so an organiser's attempt to improve things is usually welcome. But the recent Masters Historic Racing stance is slightly baffling.
One of the leading organisers of historic series, it has specifically picked out 'pro' drivers as a problem, by which it seems to chiefly mean young drivers, some of them probably better described as aspiring professionals.