Feel free to do some research if you have an open mind: Gnosis Safe: https://gnosis-safe.io/ Uniswap: https://app.uniswap.org/ Lens: https://www.lens.xyz/ Lit: https://litprotocol.com/ GMX: https://gmx.io/#/ Filecoin: https://filecoin.io/ Arweave: https://www.arweave.org/ Aave: https://aave.com/ USDC: https://www.circle.com/en/usdc
There's over $100B in USD backed currency alone on the Ethereum blockchain. It's programmable, liquid, exchangeble 24/7, interacts with thousands of smart contracts, and increasingly will be used for day to day commerce in addition to financial investment applications.
You are pseudo-anonymous on Ethereum. It's free to spin up new accounts and you can always fund them from a centralized exchange if you want Paypal-like privacy. Even then, there are solutions in the works for privacy:
Cheers.