Why is the world so sensitive now and days?

I am so annoyed, today in a facebook group chat I posted a meme of a dog with boxing gloves beating up his owner , it said " when you leave your dog without water while your at work ". My friends girlfriend said I should of wrote "trigger warning" because domestic violence victims may be triggered by it". I ignored her but when and why us the world so sensitive? Trigger warning? Wth

Why is the world so sensitive now and days?
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