Except, mellicauli, I am fairly certain that Word etcs ability to do that is fairly new in computer terms, newer than MN and the internet, for certain. Someone just post a Way Back Machine link to MN 2000! I am fairly sure Word has only been auto entering URLs since about 2005.
Granted, not everyone has been on the internet since 2000 or earlier like I and, I would assume you, have been.
So I do not think the site is actually deviating from what was the standard when the site code was written. Most older message boards I have been on use BBL rather than HTML, for example, even in 2011.