1. I type faster with a touchscreen because I use the swipe finger thing, so a physical keyboard is not really that interesting

2. I doubt that keyboard will last forever, it will probably get quite dirty or tired.

3. I don't think an ink screen saves that much power.

4. I just have a cheap smartphone without 4G internet, 2 euros/months, 50MB in case I need to read some email. That way I will not stay on my phone for long.

5. I watch movies and shows on my phone, actually.

6. Physical books feel better, honestly.

Although I can find it useful to write code with it, but again, apps are not tailored to write code, the toolchains are not made for it.