The letters work as instant verdicts. A generous refund policy is a W; a bad album rollout is an L. They attach to people ("W mom") and situations ("rare L from my favorite creator"), and chat-spamming W or L during livestreams turned them into collective applause and booing.
Extended forms are everywhere: "hold this L," "L + ratio," "taking the W," "down bad L." For creators and brands, the W/L verdict in comments is a fast read on sentiment — a feed full of "W update" replies after an announcement means it landed.
