im less interested in having a pedantic argument online regarding exact meaning of useful and exactly for what. the bottom line with this example is that its a

im less interested in having a pedantic argument online regarding exact meaning of useful and exactly for what. the bottom line with this example is that its a useful model for some things and therefore still is taught in science classes today as a “correct” description just like NM, both of which which are not, fundamentally. Take it or leave it :-)