Woes of a Road User

A lot of motorists here lack discipline, road courtesy and are not decisive. It's always the case that because of this lot, other cars get themselves into an accident.
I have witnessed cars, almost at a traffic junction, suddenly just decides to accelerate (which is ok, coz if they don't make it, they will be caught on camera). It's worse, when they suddenly decide to stop. There will be arguments that the car behind, should observe road safety by keeping a safe distance. QUESTION: what is a safe distance, when during peak hours, the traffic is almost bumper to bumper?
I have also witnessed cars, thinking about changing lanes, but not sure. How do you spot them? Easy. They are the ones driving almost along the lines drawn to demark the lanes. When you honk at them, they get offended. They didn't have the mind to realise that what they did is dangerous.
Then there are those, who suddenly decide to change lanes, eventhough they can see a car approaching. They flip the blinker switch on when you are 2 car lengths away at a cruising speed. It's ok to want to change lanes when the approaching car is close, but make sure, YOUR CAR CAN PICK-UP SPEED AS QUICK! We know that not all cars have great pick-up, so, it's not fair to dawdle out of your lane, and expect the ABS brakes on the approaching car to read your mind.
Then there are the weekend cars. 8 minutes to 7am, a time when these cars with red plates HAVE TO BE KEPT (unless they have a day use coupon), I see more than 10 weekend cars, speeding to get to their destination before witching hour. Majority of the weekend car drivers only drive weekends, they don't clock enough hours to be familiar with their car, yet they speed down the expressway, just to save on the Road Tax. Has the value of our life, been reduced to the savings on the road tax?
Finally, the motocyclists.
There are some who never heard of back lights, others who zip in and out of lanes, avoiding cars, which are much larger than them, and probably slower to react; and those who travel in the center lane, and road hog. They know a car is tailing them, yet they don't make any attempt to move - they expect the car to change lanes and overtake, but not them, they are too big for that.
What has gone wrong with all these people?
People who buy tiny cars, cars you can fold and keep in your living room, but yet, trouble has been taken to illegally upgrade the engine, bore the pistons, strut bars and whatever else they can pack into this little box of surprises. The small mind think big syndrome. Hey, if the car is safe with all these illegal installations, then why didn't the manufacturer install them in the first place?
Hah, I forgot about those ultra bright headlamps.
I now think, we all must be so blind, we need HD/FOG LAMPS (whatever it's called) on a clear, dark night. Never mind if the oncoming car driver gets blinded temporarily because you turned on those lamps. After all, if he's the one who's going to be involved in an accident, and not you, the owner of a car with those lamps.