In that same article:
"At some point after this they were either uplifted or themselves developed starfaring capacity."
"Alternatively, the race as a whole may have been gengineered by the Auld Limners or their archailect or uplift/patron race to remove aggressive warlike tendencies."
"when they uplift they don't just grab some primitives and tweak them till they get a new species. The interferers are patient, maybe causing a point mutation every decade or so, changing the environment to select certain types of individuals, etc." Some more in the following paragraph as well.
"52,000 - 38,000 BT: presumed Auld uplift by the Soft Ones"
"At some point after this they were either uplifted or themselves developed starfaring capacity."
"Alternatively, the race as a whole may have been gengineered by the Auld Limners or their archailect or uplift/patron race to remove aggressive warlike tendencies."
"when they uplift they don't just grab some primitives and tweak them till they get a new species. The interferers are patient, maybe causing a point mutation every decade or so, changing the environment to select certain types of individuals, etc." Some more in the following paragraph as well.
"52,000 - 38,000 BT: presumed Auld uplift by the Soft Ones"