Hey guys, let me address your concerns by saying I agree and I am currently working on a solution with our documentation team.
I manage the wiki, link, where we keep tutorials in a public and easily updated location.
There, you can easily look up tutorials by category, titles or keywords. Additionally we plan on going through each tutorial (along with the community) and approving them for certain builds. I will also be adding a rating system soon, so that you can also judge the quality of the tutorial. If it is not a very good quality, then you can edit it or at the very least mark the section that is incorrect.
So in the future, when you look at a tutorial page, it would tell you what range of version numbers the tutorial works for and how much the community likes it.
We even have video embedding now :), so you can add notes or transcribe your videos.
Let me know if you have any questions.