Shane has def A LOT of influence on youtube. Thats something I thought about just yesterday. Shane sometimes talks about how difficult it is for him on youtube because he's kinda excluded from the very big youtube stars (with their kid-friendly and clean images), hasn't that much offers for ADs and nearly never was on the trending page of youtube. But funnily enough EVERYONE else on youtube (even the "bigger" ones like Alfie, Joey Graceffa or Niki and Gabi) are trying to be him or producing content like he does.
I love these documentary style videos he produces and it's an innovative way of vlogging and storytelling (that everyone wants to copy now).
Completely agree he was way to easy on Tana, so I don't think he could change the public opinion in this case. Still everyone with some braincells know that Tana is an idiot, a drama queen and a liar.
I don't think he and Zoe could ever work together. In both ways, they never would agree to work together and they wouldnt work well together as the two personalities they are. I think Zoe doesn't get his humour and Shane thinks she's kinda boring or off. She would NEVER tell him any secret (like Jeffree or Bunny did), NEVER open up or admit she had done something wrong. She would never say something bad about herself ni the public or admitting she did mistakes and apologising. You never saw her doing so and you never will, imo. Or can ANYONE imagine Zoe talking about her ghostwriter openly?