I understand 'euthanization' may be a sad process, and it might have very negative connotations especially in American culture. It is however sometimes the best

I understand 'euthanization' may be a sad process, and it might have very negative connotations especially in American culture. It is however sometimes the best available choice to make, as it probably was the best choice to end their startup. It also might serve as a hint to the emotional connection they formed while building their enterprise. You could view euthanization as desirable and good. As mournful and difficult, but good nevertheless. And considering humans specifically, of your own choice, under the supervision of a team of supportive physicians (and friends and family).