All indications point to it coming from a laboratory
In the same sense that to a Creationist, "all indications point to" the fact that Homo Sapiens first appeared on earth around 6,000 BCE and could not have evolved from other species. And that "evolution" in general is basically a myth fostered by an atheistic academic elite.
If it's what you're determined to believe, then hey, it's what you're gonna believe.