I am a law enforcement officer in the state of Florida and graduated from FSU with a Masters Degree in Public Administration. I think everyone has this idea of what police officers do all day long, but in reality they have no clue. I encourage everyone to come on a ride along. I think it will open up your eyes to not only what we really do, but to see a lot of the challenges that we have to encounter.
As far as your question about sitting on the road with emergency lights on. Quite possibly waiting for a tow truck to arrive, or could be anything. I doubt any just sit there in a very unsafe location just to piss off commuters.
Traffic stops are a huge tool in conducting proactive police work. Traffic stops lead to wanted people, drugs, stolen property, unlicensed drivers, etc. Most often, officers aren't there for the sole purpose to write you a ticket. They are looking to make a citizen contact and look further into the stop. Our agency receives hundreds of neighborhood traffic complaints each year. They are typically distributed to officers to check on, in order to satisfy the citizen and as well as to be visible.
In Florida there are no quotas. I think one must remember that if you get stopped by an agency's traffic unit officer, you most likely will get a ticket. They are responsible for enforcing traffic laws, and usually that is their sole purpose. Someone referred to FHP....there job is to write tickets and handle traffic crashes.
After being in this profession for 15 years, I don't think it has ever been this bad, in regards to lack of support from the general public. Officers are afraid to perform any proactive work out of fear that any use of force or search and seizure could turn into a major fiasco. Recruitment numbers for many agencies are at an all time low. Many agencies are short staffed and are getting very few quality applicants.
Granted I signed up for this job, and knew the repercussions when I signed on. But this job is scrutinized like none other. I had a gentleman question me during a lunch break yesterday, and asked why I was taking a paid lunch on his tax dollars. Or the lady I arrested for shoplifting, who later cussed me out in front of my 5 & 9 daughters while off duty at the movies.
I'm not going to change anyone's opinion, that is obvious. But give us a break every once and awhile. It is a job just like anyone else has. Maybe stop by and say hello next time you see one, and ask them how there day is going. Or ask them why they sit at the same street like you mention.