Thread regarding General Motors layoffs

Could someone explain the F and X comments?

What's it all about?

by Anonymous
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Post ID: @OP+XzmjWqd
Comment! It's anonymous!

3 replies (most recent on top)

Press "F" to pay respects.

Press "X" to express doubt.

by Anonymous
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Post ID: @bvw+XzmjWqd

https://knowyourmeme.com/memes/press-f-to-pay-respects

by Anonymous
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Post ID: @hpr+XzmjWqd

f and x comments where?

by Anonymous
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Post ID: @rsm+XzmjWqd

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