SFPD seems to have gotten a lot worse between 1999 and today. All the good officers I knew back in 1998-2000 were in their late 40s, so probably retired. I don't know what has happened to the department otherwise.
As the article's dialog mentioned, I suspect that they have been priced out of the area by real-estate value increase - the good ones may have found postings in locations more favourable to people employed in the salary range of a police officer.
If businesses complain that they can't find any good developers for $60K/year, we say that they should be paid appropriately.
I hear a lot about teachers in the states being terrible, and I also hear a lot about teachers in the states being paid poorly (because it should be a calling or some other bullshit reason).
Is it the same with cops?
I live in Canada and feel like we don't have it nearly as bad. Teachers are paid very well, and it is a difficult job to get. Cops are paid reasonably well and it is a difficult job to get.