The draw here is the focus on King's formative years rather than the standard highlight-reel biography. If you've sat through the same three speeches at every MLK retrospective, this one is angled differently — at who he was before he became the figure on the poster. That's a narrower, less familiar slice of the history, which tends to make for a better room.
Practical note: SF library branches and civic spaces frequently host events like this with limited seating and no reservation system. Show up 15–20 minutes early if you want a chair. If the venue is near Civic Center, BART drops you at Civic Center/UN Plaza station on the Market Street lines — that's your cleanest option, street parking in that corridor on weekends is workable but not guaranteed.
If you've got two hours: get there early, grab a seat near the aisle, and stay for Q&A — that's usually where the less-rehearsed, more interesting material surfaces.