I think there are 3 possibilities for what happened here:
1.) Bucknuts observed the cheering and hugging that every other site did at the camp (which I will say is likely a commit) and ran with it as proof of a commitment in an effort to get the story first. The commitment story contained no quotes from the player or his high schools coaches or anything of substance except Kurelic's anonymous "sources".
2.) Holmes did commit to the staff, and the staff leaked it to Bucknuts and the other sites but told them to sit on it until the kid was ready to announce. All other sites obeyed by this, but Bucknuts decided to run it anyways. As evidenced by Jalyn and his mother's tweets, neither were ready.
3.) Holmes did commit to the staff, and the coaches leaked it exclusively to Bucknuts and told them to run with it. The kid wasn't ready, and the staff screwed up by giving the green light to Bucknuts.
So 2 of these 3 options make Bucknuts look extremely unprofessional, and one (the last one) seems very, very unlikely given that the staff would be risking their entire relationship with the kid just to give Bill Kurelic a scoop.
(My guess is Door #1)