The number of people in crypto who have both 0.1% consumer product instincts and at-scale empirical experience building crypto products with users is closer to 10 than 100.

The number of people with strong crypto product opinions is closer to 100,000.

which crypto products have millions of users and aren't CeFi (web2 for tokens)?

Agree on MetaMask, Uniswap, Phantom, and Coinbase Wallet.

What products do the others have that are either decentralized or utilize the world computer for more than a database (write contracts, etc)?

Coinbase, Binance, Kraken, OpenSea, MetaMask, Uniswap, Phantom, CoinMarketCap