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OK, I'll watch the video.
0:23s : "apparently ideal shape" -- I've never seen anybody here claim that. The original description doesn't claim that.
2:10 : you're right, the template doesn't predict where the flow detaches to a high degree of accuracy. It's maybe 20cm off or so. Big whoop. Nobody claimed the template was perfect, it's an approximation. The original description even says, it should be useful for amateurs.
2:53 : "there's a small separation bubble at the rear of the window". Big whoop. Probably caused by the antenna.
4:41 "testing beats following every template" : yep, agree. If you have time to do so
7:54 The Sagitta and the Taycan look really close to the template to me. Not perfect.
In summary, the template isn't perfect. OK, great. What are we fighting about here?
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