That's a .doc file, an un-/poorly-documented format. As noted in the article, it's not simple at all. It is a good argument in favor of Libre and OpenOffice, though: other word processors will be able to open your documents if you decide to switch from them. Just that alone is a big win for anyone thinking long term.
All of your other criticisms other than the speed stuff boil down to "I'm used to MS Word". Which is fine.
![http://i.imgur.com/g3a1332.png"](http://i.imgur.com/g3a1332.png"){kind=link}