There’s a difference between a _system_ being Turing complete and something actually _using_ that Turing-completeness to make something arbitrary run on it. You can’t deny this is an impressive effort.
Doing things can be difficult and admirable, even if it was confidently believed possible beforehand.
My reaction then isn’t “wow, this blows my mind that it’s possible”. The first time someone climbing Mount Everest 72 years ago was impressive and possibly astounding. Nowadays, not really that much.