personally, with the vastness of the universe, the estimated number of galaxies being over 2 trillion (yes, trillion, billion multiplied by 1000 times), the chances of there being similar planets to every one of the Solar System's planets is very likely, in fact, guaranteed I would say.
Why not, instead of so much time finding other planets, that we would never get to, in our lifetime, as well as the next 10,000 lifetimes, that we pursue other things, such as perhaps more closely examining our own solar system, for the mysteries it contains? Perhaps instead of spending so much time on the telescopes that perhaps more energies be devoted to developing cheaper means of transportation, like Musk did (I don't particularly trust him alone w/ our nations' space endeavors in his hands totally).
Develop more easier ways to establish bases on other planets, that is, we know that such environments are pretty well airless, or weak atmospheres, thus with all of the engineering know how we have, that a series of modules, landed by the appropriate craft, could automatically expand into at least a minimal base for the start of human activities.
I'm surprised that we haven't already established a base on the moon already. After all of the Apollo landings, etc., the energy and excitement to establish new boundaries on the moon and elsewhere, to establish mankind elsewhere, besides Earth, and continue our explorations, continue our scientific explorations.
Contrary to what many people say, I do have faith in the human condition, in the ability of humankind to rise above the cloud of distrust, of war, etc. and do good things. Good things that will bring more jobs, more technical benefits to the human race.
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