You may or may not be right but "Building dense housing along transit will take longer here than it did there" is not a good argument against building things in the Bay.

Upzoning provides a windfall for the current landowners, increases tax revenue, provides more places for people to live, and reduces price pressure on people being pushed out of the neighborhood. The author pointed out that apartment dwellers pay more in taxes than they consume from city services, and that a group of homeowners who were interested in selling were able to get their land upzoned and sell to a developer for a 3x return.