wow, this doesn't prove anything. Of couse humans are made of matter, otherwise we would be energy (or dark matter/energy). Pulling off some bullshit "explanations" out of his god alien ass.
They could have literally revived all humans lost in this invasion, but they decided to not, because? And even if they didn't want to, they already gave humanity the technology to do it, but oops, it doesn't work anymore, convenient.