Your seem uninformed. Dai is backed by USDC.
> Unlike centralized stablecoins, DAI isn't backed by US dollars in a bank account. Instead, it’s backed by collateral on the Maker platform.
https://help.coinbase.com/en/coinbase/trading-and-funding/cr...
https://share.streamlit.io/tadzz/maker_dai_collateralization...
edit: From someone above https://share.streamlit.io/tadzz/maker_dai_collateralization...
Each DAI is over collateralized, and backed by more ETH than USDC.