Re: yes, it works for sparrows if you scale a sparrow to a mega- sparrow and retain a sparrow”a proportions. After scaling your scaled sparrow will still look like a sparrow, only bigger and a lot heavier. It also works for humans if you keep the proportions the same. Take an actor and paint him green a triple his size in a expansion chamber and you get the Jolly Green Giant who can’t stand up.
But you don’t have sparrows. You have a few bone fragments form which you extrapolate things not accepted by experts.
Then you have a large bird that you assert can’t fly, but which has a wing loading quite consistent with modern birds. You show me a picture of a fossil skeleton that resembles a dodo and ask me if I think it can fly. You and your sycophantic friends don’t even notice the fossil can’t possibly be your bird.
I can’t tell if what I post actually gets posted. I’ll be back in a few days. In the meantime, you work on the wing loading problem.
Do you have any evidence that wing loading in flying critters was different back when earth orbited Uranus, or whatever it is that Ted preaches? If not, why not. Wing surface area is the best predictor of weight in a flyer.