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I've written 3 rough drafts to children's novels while sitting in the playground watching my children play. I could have used a computer, but than I would have to worry about thieves, sand and rain (I still worried about rain, because I would have hated to get my Moleskin notebook wet). Cursive writing made my writing almost as fast as my thoughts and didn't cramp my hand up.
Don't forget that it would be trivial to show a "virtual" stack with the spines of all the neighboring books. If they can be catalogued and displayed physically, they can be catalogued and displayed electronically.
I loved "researching" by browsing neighboring books in the stacks. But can't this be done electronically? If the book has a library code, then a computer can easily show what other books are in the same section.
Even if they require a Word file, you can use something else. My editors use Word too, but I don't have MS-Office or Open Office installed on my computer. It's not a problem, unless you want to use LaTeX.
As a professional writer, I could use Office all day. Instead I choose to use something different. At my part-time teaching job, I have to use Office occasionally and hate it.
I've used it many times. The problem is you have to first FIND where they have hidden things that you used to know exactly where it was. That usually takes 10-20 EXTRA clicks.