Stuck: It depends what you mean by Mesorah. Halachah states that suction must be applied. It was done in the most expedient way for a long time. Now we have an equally-expedient safer method. If you assume that Mesorah includes the way they did it then it’s very much not unnecessary. But if you assume that the way it was done is only because that was the most expedient method for a long time, then there definitely is room to call it unnecessary.
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