As for the disabled. Let's take an example. He's rather famous, actually, and is very highly regarded internationally across the large majority of society. Ohhhh, but he's disabled, so surely he's of less use to society than "normal people"?No, because he's not mentally disabled... and he's rich.
Bring out the death penalty for all crimes?No, replace life in prison with the death penalty so you have to pay for a syringe/whatever-chemicals-they-use instead of 40+ years of food/health care for some guy who's not getting out anyway.
For Xyos:
Its a work of fantasy, of fiction!So ideas from fictional works can't be thought-provoking or true?
These philosophers sat all day contemplating these thoughts and beliefs.I could sit around all day and think 2+2 = 5 (in base 10) and I'd still be wrong. Just because you think about something a lot doesn't make any it truer. You say yourself "these thoughts and beliefs" as if thoughts/beliefs are more valid than any other.