The question looks ''philosophical'' in the sense of ''what exist?''. In the old terminology ''ontology question''. The modern formulation (by Quine) is: ''what are the values of your variables''? In our hobby ''what are the new available components''? Can one person know what are available components? Obviously not but we have ''collective knowledge''. Each contribution is welcome. Like in science. But like in science there are individuals with special contributions. Raul with his MM contributions and his ''successor'' chakster with his contributions about ''both kinds'': MC's and MM's. Despite his ''modest means''. I think we should be thankful to have such individuals.
I expected Lew to ''shine in'' regarding English as second language. He participated in many scientific gatherings so he must be confronted with ,say, ''Chinese or Japanese English''. Deed he understand his colleague with ''bad English'' or deed he avoid them because of ''language problem''? I assume scientific terminology familiar to all members of the same ''domain'' of research.
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