Of course there’s no absolute certainty unless one’s a typical Leftwing alarmist.
But instead of “suggesting”, the scientist might say his/her data points to “lab modified” pathogens.
Read past the headline where she's simply suggesting "sophisticated" lab modification.
She (& the others) are clear in the paper, as well as on Tucker's show last night. Wuhan-19 was lab created and furthermore, intentionally spread.