I knew about the plot because big game sites started posting about it in the headline before the super major leaks started. I don't know what the first game was about outside of the obvious, but the story of the second game seems out of line with the original... and the obvious cliche to turn to with post apocalyptic settings of any type after so long. If Naughty Dog would have just stuck with their statement and not struck down videos, it wouldn't have been so much of an issue. The fact that they've done what they've done is just going to encourage more trolls to post spoilers everywhere and make it worse.
At this point they'd be wise just to delay it into the PS5 launch and let things blow over. All the YTers are going to be ready to dunk on it. Even if the country is reopened by next month, people still will have to find new jobs, and even those that will have one instantly, I'd imagine buying video games isn't on the top of the priority list. Any kind of lacking in sales is going to cause a social media field day.