I’ve always wanted to be able to play the oboe but I’m lazy and too cheap to take oboe lessons. I can, however, play the piano, so perhaps there’s a work-around. You’d think it would take eons for a piano to evolve into an oboe, but you’d be wrong. From this moment on that bulky, quarter-ton black object in the corner of my living room is an oboe.
There -- I can play the oboe.
...
That, of course, is the point -- to make intelligent discussion difficult if not impossible.
From redefining words it’s just a baby step to redefining actions: If a society decriminalizes, say, sex with children, the deed remains as loathsome as before, but because of a change of definition it’s no longer a crime and begins to lose its stigma.
And if the concept of human rights no longer forbids ethnic cleansing, well, that’s how a piano becomes an oboe.
The enemy have us surrounded. Good! Now we know where to find the bastards! -various