Claims that cannot be tested, assertions immune to disproof are veridically worthless, whatever value they may have in inspiring us or in exciting our sense of wonder.
- Carl Sagan
Schrödinger was a real and very eminent scientist, one who has staked their place in the history of science.
Sagan, while he did a little bit of useful work on planetary science early in his career, quickly descended into the realm of (self-promotional) pseudo-science. This was his fanciful search for 'extra-terrestrial intelligence'. So it's apposite that you bring him up (even if the quote you bring is a big miss against a philosophical statement), because his belief in such an 'ET' intelligence was a fantasy as much as the belief in the possibility of creating an artificial intelligence is.
While I do hold that Schrödinger was a giant of his field, let’s not forget about the Nobel disease. Blind appeal to authority does no good.
Consciousness cannot be accounted for in physical terms. For consciousness is absolutely fundamental. It cannot be accounted for in terms of anything else.
-- Erwin Schrödinger