If a extraterrestrial civilization growed on a type system like TRAPPIST-1
with seven telluric planets whose three planets in habitable area.

They can more easily that us make the space trips and see more interest that
us to the space trips

So they can to be more regular with the space trips and then run the
interstellar trips more easily

In more, TRAPPIST-1 system has been discovery because us are in the
ecliptic's plan of TRAPPIST-1 system. Our discoveries are not representative
of the reallity. Maybe there are many of systems like TRAPPIST-1