Ha nope they're not
There's at least two ways your statement can be interpreted.
1. plants are more versatile because they can convert sunlight into energy AND convert glucose into energy, whereas humans can "only" convert glucose into energy efficiently.
2. goats can digest pretty much anything. Literally.
Yeah but when was the last time a plant rode a bicycle to generate electricity ir a goat rubbed a few sticks together to generate heat?
Never, but eels can generate electricity too and pretty much every creature generates heat.
You have a point... I guess it's humans and electric eels 🤔