Cardano's only real world application is to implement a diy central banking system for governments and mega corporations. So the old fucks can try to not become obsolete, but they didnt get the memo that it already happened to them years ago. They are just in shitcoin denial.
Etheriums real world application is for the younger generations to fuck around, play games, make easy money on stupid shit like NFTs. Generally is a fucktard marketplace for minting your own shitcoins and get rich quick schemes. Nothing to be taken seriously.