A lot of people don't seem to get it. e-cash is A solution. It's not the answer to all our scaling problems. If you open your eyes and see what's happening outside you will quickly realize e-cash can be very quickly shut down in a lot of parts of the world. If you didn't realize yet, the fedimint federation everyone got excited and started using said they're shutting down and asked everyone to withdraw their funds. We need real scaling and privacy solutions. Not hacky workarounds.  

 For that base layer default privacy is needed in bitcoin(btc)