Passive (index) funds have grown because they work. Read "A Random Walk Down Wallstreet" or "The Bogleheads Guide to Investing", you'll see it clearly laid out

Passive (index) funds have grown because they work. Read "A Random Walk Down Wallstreet" or "The Bogleheads Guide to Investing", you'll see it clearly laid out. For the Cliff's Notes version, turn to YouTube and watch Warren Buffet, Jack Bogle, etc. Index Funds enrich their investors. Actively managed funds enrich their providers.