  We demonstrate that the explanation of the neutron anomaly around $W\sim
1685$MeV in $\gamma N\to \eta N$ reactions provided by the $\eta$MAID2018
isobar model is based on large violation of the flavour SU(3) symmetry in
hadron interactions. This is yet another example of how conventional
explanation (without invoking exotic narrow nucleon resonance) of the neutron
anomaly metamorphoses into unconventional physics picture of hadron
interactions. A possibility to mend the flavour SU(3) symmetry for some of
resonances in $\eta$MAID model is discussed.
