Pro tip: Tell me you're new to a dungeon /rant

[NyarukoW]

... I would argue you are more of a monster because at least a speed runner isn't trying to intentionally sabotage their group).
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The speed runner is intentionally trying to wipe everyone just to so they can chance it and get lucky and get their way. By slowing down the speed run so the party does not wipe is not being a monster even if the corpse of the silent speed runner is the necessary sacrifice.

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We're all human beings. We CANNOT account for every single possible variable that MAY occur ....
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But the better and more experienced player can account for more of them, and they can start by not demanding a response from the new/newer player knowing full well they may not even get a response and then wipe the party by speedrunning. And to top it off they want to impose this regime and cry about it here on the forums bashing the new/newer players when they have no ground to stand on for setting a landmine for themselves.

And it is not about lowest common denominator to be smarter and more prepared and knowing ahead of time to avoid the problems you can prevent. Don't assume to to speed run on the DF by default then you won't be surpised and get mad by wipes from speed runs. This is about having reasonable expectation and workable methods for communication.

Those of us who are the more experienced player, the more "pro" player should be able to adjust and accommodate. It is like this:
"... He's the hero Gotham deserves, but not the one it needs right now. So we'll hunt him. Because he can take it. He's a silent guardian, a watchful protector..." - Lt. James Gordon
Even if it is thankless or the new/newer players are clueless about it, it is still up to us who know better to be able to do better, and coming here crying about what the other (new/newer obviously does not have the knowldege) players who do not know how to do what you want, achieves what exactly? Blaming them pushing the responsibility on to them doesn't solve any problems either.