Opinion!
you can absolutely think there’s too much of that, but there isn’t a set number of the correct amount of testing, so it can’t be a set fact that there is too much. someone a could also have the opinion that there’s too little testing.
The laws that the Department of Motor Vehicles imposes on drivers are meant to improve safety on the road.
The inclusion of reputable sources and specific facts would best strengthen the author's main argument because it would offer factual proof instead of just the author's opinion on the matter.
