I find interesting to note that Shostak doesn't take the time to debate Hawking on the potential dangers of extra-terrestrials but rather claims that deliberate

I find interesting to note that Shostak doesn't take the time to debate Hawking on the potential dangers of extra-terrestrials but rather claims that deliberately attempting contact poses no additional risks. I will certainly claim no expertise on the subject of contacting extra- terrestrial life, I will note that directed broadcasts will reach far more star systems than background RF radiating off of the Earth, all else being equal.