If they learned sign language, they could have learned Braille.
I feel badly for them AND the family.
Perhaps they could have sucked it up and learned to carry on. However, they chose not to.
Yes.
But then... how do we know that if they take their lives before their time has come.... how do we know, that afterwards it's not going to be a worst hell than they had here on earth?
That's what makes me think twice ... and decide is not the right route to take. No.
You don't.