If you take that at face value, it does beg the question why he didn't and why he instead chose to take on the responsibility himself and die in the process, however, if you dig just a little deeper this isn't necessarily a plot hole. Iron Man arguably could have kicked the responsibility to someone else, sparing himself as well as still ending the threat of Thanos once and for all - and bringing everyone back to boot. There were many other heroes who arguably had the physiology to withstand snapping. If you're somehow not quite getting the point, what the meme is pointing out is that Iron Man had a clear advantage in this moment. I can actually see Captain Marvel from where I'm standing.' Also, it'd be reckless to leave my young daughter behind for literally no reason. what the meme is pointing out is that Iron Man had a clear advantage in this moment. And you're not much of a threat without the stones. but one topic comes up regularly: plot holes. There's a whole bunch of powerful beings on our side, all right here. The meme features Thanos preparing to snap the Gauntlet ('I am inevitable.') but instead of Tony responding with 'And I'm Iron Man', the text notes that 'And I am… going to quickly hand this glove off to someone else.

On Reddit, a fan posted a meme that laid out the argument for Iron Man's death being a plot hole clearly.