You nailed the issue. Most leftists are emotionally fragile. Anything can set them off in a rage.
I raised the abortion issue with one and boy did I hit a nerve. The anger spewed by this person. The raising of the voice. "What about rape and incest? What if the child is deformed?"
“What if the child is deformed?”
Scratch a leftist and you get a eugenics fanatic...
every time.