Have you flown into SFO at night on the 28R visual approach?
This is exactly what it looks like.
No, that's only what it looked like during that particular approach. You're being misled by what you see (only) online, and making wrong conclusions based on that.
Here's a frame from a night visual approach to 28R while 28L was also operating. You can see the 28L lights (MALSR) are on:
