Are John Moore (the director) and Skip Woods (the screenwriter) the most to blame for how poorly the film turned out
Well, I Googled their names and "hack" and this is what I got:
https://whatculture.com/film/hollywood-hack-john-moore-is-bruce-willis-bitch-as-die-hard-5-director
https://www.illinoistimes.com/springfield/die-hard-5-an-abusive-exercise-in-mayhem/Content?oid=11452157
https://www.vudu.com/content/movies/details/title/412714
https://www.slantmagazine.com/film/a-good-day-to-die-hard/
https://doddlenews.com/a-good-day-to-die-hard-teaser-trailer-first-image-released/
https://www.nj.com/entertainment/2013/02/a_good_day_to_die_hard_yippee-.html
http://flickminute.com/a-good-day-to-die-hard/
https://www.ichoosetostand.net/2013/12/retrospective-a-good-day-to-die-hard-2013.html
https://onmilwaukee.com/articles/agooddaytodiehard
https://whatculture.com/film/die-hard-5-ways-to-redeem-this-once-great-franchise?page=2
https://entertainment.time.com/2013/02/13/a-good-day-to-die-hard-yippee-ki-yay-mother-russia/
https://www.reddit.com/r/movies/comments/3kel2v/who_are_the_worst_screenwriters/