Dave, I understood the serious point in your posting, however I have a real problem with the assumption that because you are a "biker" you automatically assume it's anyone but the other bikers to blame for all these accidents.
Accidents happen, and sometimes it's down to bad car drivers, or bad riders, or pedestrians walking out in front of a bike, or animals, and sometimes simply because something happens (mechanical / natural etc.) that the rider couldn't have anticipated.
Please try to think of the feelings of the unfortunate souls who may have been involved, whether through their fault, or entirely innocently. Branding them all half pissed and on their phones doesn't help what is really a tragedy for all involved.
Now I don't know what you've observed, but if every car driver you've seen make ill advised moves has been half cut, half asleep or on their phone I'd be very surprised. I'd also be very surprised if not one of the 5 fatalaties was caused at least in part by rider error.
If you want to post facts that's fine. If you want to post your opinions then state that that is what you have done. I don't think "No mention of the fact that all four were killed by collisions with car drivers 'probably' still half cut from the night before or more likely on there mobile phones" does this.
Ride safe and stop patronising me - my disagreeing with you doesn't mean I've failed to understand what you've written, simply that I don't agree with you.