At the top you must work on your openings and keep up to date
because any old trash won't do as the good guys will punsih you.
But down here amongst us bottom feeders people are winning with 1.f3 2.Kf2.
Have you seen the 'reyotch trap' User 156228
He plays this a lot and has a reasonable score with it.
But when he comes up against a semi-good player who simply
follows opening principles (and that is all you need), this happens.