Unlike other streaming services, YouTube Music relies entirely on algorithms for each of its over 10,000 playlists serving more than 2 billion monthly active users and 30 million subscribers to its Music and Premium offerings. But even without a single, purely hand-curated playlist created by YouTube, the company says its human oversight of those algorithms has allowed the company to maintain its position as the world’s most-used music platform,
Source: How YouTube Serves 2B Monthly Music Users Without Human-Curated Playlists