Well clearly I see that the vast majority actually likes sprint or wouldn't care if sprint is removed or not, and when this topic was huge 343i asked the public through the Halo survey, which I am still a part of, and statistics wise there is just a very small minority of people who do not like sprint and you are one of them OP. And as Halo 5 has been played for about a year now, people have gotten even more accustomed to the idea of sprint being in Halo. So sorry that you and a few or many of your friends dislike sprint, but the reality of it is that you anti-sprint haters are still just the minority.
The option is out there to run customs without sprint, yet people don't do it, even though they could and the game still works as old style Halo. Yet HCS does not run these schemes and some pros might not enjoy sprint but they learn and deal with it anyways because it is the game that the biggest majority of people want to watch and play. Sprint very much has amped up the competitive gameplay of Halo a lot, at least with it being involved, but is everything revolved around sprint? Not even close, in fact in a good competitive match, you wont see much sprinting unless people are getting into position quickly while being aware of what is going on. I am a competitive gamer, and a competitive Halo player since Halo 2, so yeah I have grown up without sprint, and to be honest I thought Halo 3 was the best game ever made. But now with Halo 5 and sprint, although that is not really what makes me think this, but I do believe that Halo 5 is now the best game ever made, and the most fun for me to play.
Think what you want and ask for what you will, But to put it out there, this is a dead topic, and sprint is not going anywhere.