They also point out that if "the Lotus Sutra" was in fact the most fundamental sutra, it is difficult to understand why the unenlightened masses had to wait for "the Nirvana Sutra" for their religious salvation and that the teachings revealed in the Lotus Sutra, which is believed to provide everyone with the perfect vehicle for salvation, should have been able to save not only Buddha's disciples but the unenlightened masses as well.
また、もし『法華経』が最高の教えならば、機根の低い衆生を『涅槃経』に譲らなければならなかったのか、一切の衆生を済度する教えを一乗や円教と呼ぶのなら、機根の高低など関係なくすべてを済度するのが本当ではないか、と指摘している。