I can understand giving up on FreeBSD–OpenBSD at least offers to install & configure a graphical environment with a graphical login screen during the installation process, which makes it much easier to get up and running for desktop or laptop use (on supported hardware).

• Emacs 29 (featuring improvements to the built-in help system)
• NetBSD 10.0 (which has been in development nearly 3 years!)
• The FreeDOS 28th Anniversary Ebook (the working title is Why We Love FreeDOS)
• Long shot: better support for GNU Guix to run on GNU Hurd

Android strives to be a lightweight OS so it can run on a variety of hardware. The first version of the OS had to squeeze into the T-Mobile G1, with only a measly 256MB of internal storage for Android and all your apps, and ever since then, the idea has been to use as few resources as possible.

Emphasis mine. Now, I know graphics improvements and support for various versions of Android take up a lot of the space used, but gee willikers! It’s amazing to think it began with storage requirements far under a single gigabyte.

Opt-in seems like a reasonable position for this optional feature. Not everyone uses it. I don’t. To turn the question on its head:

Is there a compelling reason to enable it by default?