It is clear that you do not appreciate the seriousness of your proposal if it was actually achieved and implemented. Stable coins originally cannot be considered as cryptocurrencies with the characteristics of other cryptocurrencies that derive their value from the projects that support them. Stable cryptocurrencies are an encrypted version of fiat money.
It was created and used mainly for a specific function which is to use it as a trading instrument, enabling traders to freeze their balances in times of price decline or buy at a fixed price in order to avoid price fluctuations.