i think i know why your talking about this, :P

That does tend to get pretty annoying that most people would jump at being offended by something that you wish to not talk about, or state that it is something you don't agree due to your own point of view behind it. It is like most people these days think they know what they are talking about and if you don't agree with them, then you are in the wrong which makes them want to attack you rather than seeing the opposite end of things on your own opinion behind it.

But that's just my two cents behind this subject, and most likely my experience.

What doesn't help are many places such as colleges going out of their way to support this kind of behavior. It legitimately scares me thinking we could end up like South Korea.

I share your loathing in this PC Gen. I was born and raised in such a way that you fought for only that which is important. Not that which twisted your knickers in a bunch. Those kinda fights were petty and a waste of time.

Sadly, that is just a "self distraction" for those people that feels they need to do it to feel important and get attention, while they ignore what happens in their lives and even their country.

They just basically don't know what the hell are doing in life.

As a person who actually experiences 'triggers', I actually don't like it much either. I think there's always some leeway however, far be it from me to press my system for handling my issues on other people. I don't think all of it's cowardly per se, the stress that comes with a 'trigger' can be downright dangerous since it engages a fight or flight response.
I do think that some young people, mostly young people in my experience, are sort of just throwing it out there because there's a topic they don't like to discuss and they've gotten it into them somewhere that that's how you handle a topic you don't want to discuss. By just having a bit of a tantrum. They did this 15 years ago too but the term wasn't in the cultural zeitgeist so no one was saying triggered.

This has also been going on for ages, I'd hesitate to call people who end arguments/discussions with a statement made to close all further discussion, new. I would call some of them cowardly, but only in their inability to debate. You get this same echo-boxing in political groups, clubs, social cliques, groups of friends sitting around echoing each other's sentiments. I don't think we're going to spiral into PC hell.

All that said. I don't much like the term.
It reminds me of when people throw around I'm so OCD. It devalues and misinforms. Now we have 'tiggers' instead of Hyper Reactivity, which probably came from people describing episodes being 'triggerd' by a stimulus.
Some folks tho, would totally call me too PC for wanting to keep these terms clinical. I digress. These kids will probably eventually grow up and be totally functioning members of society like the dumb kids I grew up next to and the dumb kids before them.

And there's a whole dime lol. Just browsing journals to be active~