The number changes are data mines as well as that one non-rune thing, yeah, but the actual runes you mentioned there have not come from them, they were in the Blizzcon playable demo for the season, so those videos would’ve existed regardless.
if you are avoiding infos on data mining or any other information than you wont get spoiled, not sure what your problem is, its not hard so stop crying.
What he means is that he prob watch wow content and becuase he watch wow content, youtube etc recommend these videos for him.
Just dont watch youtube till release if its bothering u so much 
Sounds easy to me.
Yea all these streamers and Youtubers, its so annoying, they even make dps tier lists 
how can you even do that without ever touching the game lol
It’s rather simple to do at 25 knowing how each class functions and how much hit it needs or what utility it will have in PvP. There will always be a meta and there will always be better players at the top on the server.
I understand your frustration, but despite all the information found, ive managed quite comfortably to avoid any of it.
Avoid news sites and forums until Thursday. Should be straightforward enough.