This makes also a lot of sense for non-speakers of Tamil, because it correctly correlates the number of 'N's to the number of loops in the glyph.
The transliteration in the naming convention is unrelated to this. In any case names cannot be changed.
Is it just because -for stability- character names are not allowed to change even if incorrect? Or is it an oversight?
It isn't incorrect. It doesn't conform to your analysis. -- Michael Everson * * Everson Typography * * http://www.evertype.com

