With eCash you gain convenience, privacy (from both the mint and others), and cheap transactions. The trade off for all that is loss of custody. But Fedimints offer a trust minimized version of that. The mint can have multiparty custody to at least reduce the likelihood of being rugged.

A few episodes on Fedimints if you want to learn more:

https://optoutpod.com/episodes/s3e01-fedimints/

https://stephanlivera.com/episode/331/

https://www.whatbitcoindid.com/podcast/fedimint-the-future-of-bitcoin-custody