
Newtonian mechanics is good enough to live your life by, even good enough to send missions to far across the solar system.
QFT doesn't really address the measurement problem either so the Copenhagen idea is still ... well obviously bullshit but QFT doesn't shed light on it
( , Wed 12 Aug 2020, 10:09, Reply)

that nothing exists apart from fields, and then the next question - what are fields?... we don't know.
So we know nothing
( , Wed 12 Aug 2020, 10:28, Reply)

Be interesting to see someone build a car from first principles using QFT
( , Wed 12 Aug 2020, 23:59, Reply)