yes that other 'people' will be listening, no, because you can pulse it with the fibbonaci sequence or prime numbers, which are not easily produced by astrophysical processes.
We only recorded the fact of the signal's existence, without enough resolution to make out any pattern within it. If the aliens were hoping we'd decode it, they were banking on us happening to catch their signal at a very specific instant in time, never to be repeated.
Actually it’s exactly what we did with the Arecibo message, our only attempt to make contact.