Awesome guide! Followed it and got 1000/1000 in 3 hours 53 mins. I stuffed up the final battle and had to repeat that day, which added several minutes. I thought that this game will take longer, so I got up early on Sunday to give me the whole day, and I was finished at (late) lunch time!
For Playthrough 5, once I got the GeoTag Master achievement, I just pressed START to skip everything rather than holding down RB and there were no issues.