Probably because describing those facts is now a matter of historical research rather than a political statement. The future of the ncurses project is now guaranteed, there is nothing to risk (nor to gain) from reopening such old wounds looking for historical truth.
Note also that the copyright notice at the top of the page seems to imply this text was originally published in 2011 and then updated during the following 4 years.
Probably because describing those facts is now a matter of historical research rather than a political statement. The future of the ncurses project is now guaranteed, there is nothing to risk (nor to gain) from reopening such old wounds looking for historical truth.
Note also that the copyright notice at the top of the page seems to imply this text was originally published in 2011 and then updated during the following 4 years.