An automated solution would definitely work, depending on what your definition of "work" is. I can't deny that I'm cautious because I can see so many variables in considering a ban that an automatic global ban makes me shrink away.
Even though wreckers are on the increase at the moment, I think it's unlikely to be a permanent trend. It's almost a fever pitch with the BMW arriving, and the physics changing so significantly for the better, there's a window of time where we were always going to be inundated by new licencees - some of them with absolutely no clue and no regard for driving responsibility or accountability. It'll happen again in the future, I'm quite sure, with the final release of S2 and later with the advent of the new S3 alpha, and so on.
With 400+ servers in the list, you'd think that wreckers would have a blast, but a lot of them are sitting empty (including ours at the moment, most of the time) and those servers aren't where the wreckers want to be. If you remove the empties there aren't many populated servers left. I don't think it would take much to drive the message home, if we pulled together as server admins and presented an effective, united front.
But at the same time, the LAST thing I want to do is risk banning (even for a day) an established and normally good driver, who's just having an off day.
When our servers DO get busy, I don't think the number of wrecker reports we receive is difficult to handle. It's really not much effort to download and review an MPR, and make a judgement call between our admins. We're not exactly inundated with reports, tbh.
The important thing is that when we DO receive a report, the action we take is likely to extend beyond just the Hard Disk in our server, and might just get a message firmly to where it needs to be, while ensuring that the MAJORITY of racers never even have to witness an individual wrecker who destroyed a race on another server, in a galaxy far away.