Ethereum Account Abstraction

and others' dapps provide different functionality onchain.

Eventually, there would be a few of these dapps(including wallets/financial dapps), which will become so prominent bc of their features, ease of use, ux, support, security and etc. such that most user will have "Account" on them and

would want to reuse these accounts across other dapps
Recently, I saw a discussion around for a new rpc for wallets to request permissions and other rpc for aa related operations
Shouldn't this be thought of as inter-dapp communications for providing authorization of users' accounts like what we have in web2 with oAuth

With terminology around wallets-dapps discussion, it seems like wallets become prerequisites for users to use any dapp and which make wallets all together different class of entity.