I can't imagine what else it could mean. That's just comically bad writing. Don't worry about it.
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BarbaraPAOh. You mean it's not written the way YOU write, so it's not just bad, it's comically bad. I see.You don't push horses. It's a funny image. The writer was not trying to be funny. That's bad. But if you wrote it, I apologize.
BarbaraPAI did not write it. But it *is* suitable writing for the audience. Guess what? "Horses" can mean horsepower. The fact that your mind can only conceive of a person pushing an actual horse doesn't make the writing comical. I have zero expectation that you will ever concede that something other than what you would do might possibly be not only correct but actually a