Note this attack is only on L1. L2 does have fratures for whitelisting wallets, only allowing certain amounts to be sent etc

To build this into the app would take some resources. I could see it being useful, just a matter of time and effort. There are also other sites to research like etherscan (cannot work for smart contract wallets tho) to fully understand what is going on instead of just following a link

As usual… verify. Do not trust (even from someone official)