... people will tend to be ego-attached to those methods. ...
I think that says all that need be said on this topic, frankly.
And I'll ask the rhetorical question, if only because Ikeda has already been brought up -- where are he and Saotome pointing their organization? -- toward a preferred, proprietary tutelary method or toward valid applications of objective principles that can be found by proper attention and study of what we do and why we do it when we do it properly?