I've lived in the Bay Area for over a decade, and SF for 7 years, and I've never seen this. Cabs are painfully rare and even when you call, don't show up half the time.
They're talking about at the airport, just walk out and get on one, it's way more convient than uber at SFO. I fly to SF 7 times a year, and have been since 2015. There was a small window where cabs sucked but they're usually quite convient at sfo and closer / easier than rideshare, and usually around $48-53 to the financial
