It's not unreasonable to expect Marner to overcome these forwards and defensemen, and he largely has over the past couple years. A hot goalie is a bit more tricky, as goaltenders have such massive individual impact on the game. It's reasonable to expect production (probably more than what we've gotten), but it's unreasonable to expect production to not be impacted to some extent. Especially when neither of a playmaker's conversion options are converting either. It doesn't mean he sucks, it doesn't mean he doesn't care or isn't trying, and it doesn't even necessarily mean he's doing worse than somebody with higher raw production in an easier situation.
Opposing playoff teams will play their best defensemen against Marner, but not all teams will be high-end defensive teams, with defensemen like that, and defensive forwards like that, getting top-tier goaltending in low special teams series. While it may not seem like it given what we've experienced lately, that's actually quite rare, and a lot of top-tier players struggle to produce in those scenarios.
I understand people being upset, and I understand Marner being a target of criticism, but the overwhelming majority of the posts are going way over the top, ignoring important context, and not even addressing what he actually struggled at.
Sure do. I recommend reading what I post, instead of trying to put words in my mouth.