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That's pure crap! It hurts nobody's feelings because what you are claiming/saying is nothing more than a personal, rather pessimistic philosophy on life and an attempt to denigrate a discipline that has benefited mankind since he climbed down out of the trees, just for the sake of it.
But once again, you ignore my scenario I put. Why?
Let's restate it again.....
Why do you not go find an Island somewhere, off the beaten track, away from all civilisation, without all mod cons, including cooking utensils etc and put your unsupported hypothesis to work.
Science/knowledge [under many names] has been benefiting mankind since we climbed down out of the trees.
Like I said, without science and all its benefits, you most probably would not be here.
Let me reiterate, since you again raised the astronomical/cosmological sciences. For anyone to say they have not benefited mankind in a real fashion, is dumb. And to sit there and to continue to pontificate and postulate so pretentiously and fabricate obtuse reasons as to why they are of no value to mankind, is even dumber.
Yep, science can also be applied to destroy mankind, just as the benefits of fire can be utilised to destroy rather than benefit.
But overall, science has improved our lot, and that improvement will continue, despite bouts of incredibly inhuman activity like the religiously driven scenarios, we are now sometimes confronted with.
Finally, we can all be thankful that opinions like yours are generally rare and in the minority.