You can walk in alone, knowing nobody, owning nothing, and be three moves into a game you have never heard of before you finish taking off your jacket. That is the actual promise here, and it holds up.
The library is why. Thousands of titles on the shelves — heavy strategy, light fillers, co-ops, dexterity games, deck builders, tile layers, the hidden-role ones that ruin friendships — and staff who have played most of them and will hand you the right box based on how many people you brought and how much of the evening you are willing to lose.
Big tables, good light, coffee running all night, and a floor that mixes established groups with solo players who got folded into somebody else's table before they realized it was happening. Bring your own game if you want. No fee at all to play from the shelves.
Text the friend who says they are bad at board games. That is not a real thing, and this is the room where they find that out.