No, it isn't. That level of precision is not the easiest thing to do.
Do you really have so little clue of the real world?
Are you really so incognisent of the actual scientific and engineering effort involved?
Do you really believe that your smart phone sprang from the womb, freeborn and fully formed?
It is often said that we stand upon the shoulders of giants. You want to slay the giants.
And please do not cite the biblical baloney of David vs. Goliath. It's a fairy tale.
The answers , if honest, would be: yes, yes, mostly, yes.