The alternative is a wishy-washy definition that according to the article, seems to boil down to “the human brain is pretty darn complex, so voila! We can call its output ‘free will'”. Now I’ll agree that his wishy-washy definition is probably going to be fine for practical purposes...
bring soup when you’re sick, watch your kids in an emergency, open professional doors for you, rearrange their schedules and lives for you, protect you, and fight for you — and you return all this hard work.