To figure out "alternate" vs. "substitute", I went through quite a lot of posts which include Usage of alternate vs alternative with "equally"
doing something is equally alternate to dooming yourself
doom: to make someone or something certain to do or experience something unpleasant, or to make something bad certain to happen
With the definition above, I don’t really understand the meaning of the quotation.
I googled it but can't get any definition or explanation.
What does that mean? Is it natural to say "doom somebody"?