You are a very bright lad. I rarely have to spell things out for you.
I have no idea how 100 million people and 27 years is relevant to the current context.
Death penalty is a term of art known to more than half the country for a long time, not some neologism used by a splinter group living in the wilds of Montana. Just because some subset of the population hadn't heard about it doesn't mean that the rest of us ought to immediately clean up our politically incorrect language.
Let me put it another way.
Imagine you're sitting in a bar. (Yes, I know that's a hard thing to envision. Play along with me here.) With you is a old friend from the UK on her first visit to New York. She is in low spirits because last year her younger sister deliberately overdosed on prescription drugs. Something about a boyfriend.
The Yankee game is on TV and suddenly Michael Kay starts shouting that the Yankees are putting on the suicide squeeze. Your friend breaks into anguished sobs.
Do you send Michael Kay an email demanding that he use a more sensitive phrase or do you try to console your friend and explain it's a widely accepted baseball term that's been in use for 75 years?