That's what I did some 23 years ago. Back then the pay discrepancy wasn’t as large as today. I started looking for positions in Canada in the last five years and have concluded that I can’t afford an approximately 50% pay cut, or to live in the big cities with ridiculous housing prices.
I use a small sea anchor (drift sock) when my sailboat is at anchor. The current on the sock keeps her from sailing the wing keel onto the anchor rode.
Are you aware that some people with Down Syndrome go to college? The effects of the genetic defect vary widely amongst the population of affected. If we take your argument of suffering then what about people born into poverty? Do they not deserve to live either?
The point you are missing is that people with disabilities are people. They deserve to live same as you, despite the challenges. Have some empathy.
You agree to write a blurb before even getting a copy of the book. My wife is in this industry with plenty of experience with blurbs.