You're not the only one. This is a goal of the project. There have been changes recently that make the ergonomics of using E2EE nicer, which will maybe tip the scales in favour of E2EE by default.
You're right to point out that the current UX isn't great, whether or not it's enabled by default, it should always be clear to the user. There was an on-boarding addition recently to give the user a more friendly selection of sync targets. Probably a selection about E2EE should be added to that workflow.