This is purely a question of what information will be valuable for whom. Someone needs tutorials, someone needs a more in-depth study of certain topics. There is nothing more to argue about here. For someone who has started studying a particular technology, Ninja will be useful, and for someone just the same other channels presented in this list will be suitable. And it is not always correct to compare them, because the topics of the videos can be completely different, that's all.
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This is purely a question of what information will be valuable for whom. Someone needs tutorials, someone needs a more in-depth study of certain topics. There is nothing more to argue about here. For someone who has started studying a particular technology, Ninja will be useful, and for someone just the same other channels presented in this list will be suitable. And it is not always correct to compare them, because the topics of the videos can be completely different, that's all.