Many avid readers I know are happy with physical books but also happy to use an e-reader for purely pragmatic reasons (easier to carry, custom font settings).

Many avid readers I know are happy with physical books but also happy to use an e-reader for purely pragmatic reasons (easier to carry, custom font settings). As for piracy if the places I see libgen and it's kind referenced are any indication then this isn't about just any readers but about students, professors etc. who want to access scientific publications.