that most of those features aren't life-changing.
@BR -- I'm not sure what you mean regarding the context menu, when I use the context menu in Firefox it certainly doesn't go and avoid highlighted text. I truly have no idea what you mean there.
OPF comments -- the calibre Editor can integrate with a calibre library, but it doesn't have to. Presumably people use it on its own.
I don't find the feature troubling, and it
can be useful...