That's true but this is one of many SF scandals (Nuru & Dept of Public Works, Recology rate-fixing, Dream Keeper Initiative & Sheryl Davis, Hunters Point Tetra Tech botched cleanup, DBI & SFPUC probes) in recent history
This is very common. All cities with large budgets have some amount of corruption. Look for nonprofits that have poorly defined goals and you’ll find it. But the federal government is also this way. Look at the Trump administration’s various corrupt actions like the reflecting pool contract going to a mar a lago neighbor. Or ICE detention center contracts. Or regulations. Corruption is getting normalized at all levels of government.