It is code for "We believe it exists, and we used everything else that it is not to justify this belief that it exists even though we understand the aforementioned conditions regarding the absence if its existence doesn't constitute as empirical evidence of its existence". >>13276159
Observing and describing what something does doesn't mean you understand how it actually works. It's the same reason "dark matter" "exists".
"The sky is blue". Congratulations "you're not even wrong", but you haven't explained anything meaningful.