Hi @pollux.one,
The topic you chose and discussed is under immense discussion which i learnt from syllabus books or news papers. Media and Film industry have also worked a lot on this very topic of "Aliens Existence".
Actually media is the basic societal institution and it can change one's perception within no time. Same goes with us throughout the years.
I am also not sure about the existence of the aliens but after watching the famous Bollywood movie PK i changed my perception and went under the condition of suspection that there is something definitely exist like Aliens who are moving around us. As you mentioned;
In an endless universe, there are endless possibilities...
This thing also turned my point of view in strong believe of Aliens existence. At the same time you did mention that;
life will expand as soon as there is a slight possibility for it. So who are we, to believe that we are the only ones, or even the most evolved ones in the universe?
Role of international politics is very crucial in all this scenario. Trump's policies seem totally different than Obama's. This thing will definitely bring a hustle and unrest in international politics (It is my personal opinion).
Lets see where does the situation go.....
Thank you so much for sharing this worth reading blog.
Keep writing such posts, My support and best wishes are always with you.
Steem On!