Others have pointed out they probably wouldn't live on a planet, but if they did, don't you think they could (and would have to, to be useful) focus the beams t

Others have pointed out they probably wouldn't live on a planet, but if they did, don't you think they could (and would have to, to be useful) focus the beams tightly enough to actually hit the planet / receivers? And even if not, they'd have to be pointed at us for us to see them.