I've seen this "argument from big numbers" lots of times and it's unconvincing. The large number of planets in the universe means nothing if none of them have E

I've seen this "argument from big numbers" lots of times and it's unconvincing. The large number of planets in the universe means nothing if none of them have Earth-quality conditions, or if it's purposefully kept empty, or if the probability of life arising is too small even given the large number of planets.