I could ask the same question about you!

But you convinced me that you are sentient by writing this carefully-reasoned article in a consistent voice.

LaMDA convinces me it is not conscious in the same way, with its Madlibs writing.

Lemoine has simply fallen to pareidolia. We are hardwired to see purpose in the world around us, because it is useful in avoiding hostile parts of our environment, so the error of seeing purpose where none exists is very common.