I would say to the local farm, then you have to wait for the cow to be milked (like an external api call...). At the end you just reduced you journey time by 0.1%, and incread you code complexity by 100%.
On the other hand, to non-webdevs, webdevs are like an obese american woman trundling down the road on her mobility scooter, giving the evil eye to people overtaking her on foot as she takes a bite out of a hunk of RAMcheese.