There should be word for that.

[Moonliner]

There should be a word for when you post your latest rant on social media involving some trivial aspect of your life and seconds later someone posts some serious life altering status update.

[Alex]

There is: perspective

[RStar]

Or: One-Upmanship.

[Cadaverous Pallor]

#firstworldproblemwithfirstworldproblems