Science Alert?
This isn’t science.
They could also come knocking and say we have not been responding to their probes. Do we want the extended planetary warranty?
It is mostly skewed by our own fiction writers at that.
The assumption that we can communicate on any sort of common level is baffling. We have many languages and methods of transmitting them here on earth where the vast majority of inhabitants don't understand each other.
How would we pretend to understand a communications from a civilization where we have no common references? We are conditioned to believe that those alien cultures are vastly more intelligent and they would initiate communications with us.
It only happens in the movies.