Because it worked differently. And from the look of things, 02 is being retconned out of existence anyway.
"Tamer" is still less weighty than "Chosen Child." The latter should be used only at the GM's discretion, if only to prevent players from assuming they're supposed to steamroll everything just reading the book.
...I do, however, like your handy list of archetypes/sub-archetypes (though I prefer "Bonder" for the Frontier/Bio-Evolve group for some reason)~