Solidarity to be worthy of the name must cost you something. Solidarity without common struggle and fellow-suffering is merely coalitionary egotism, because sacrifice is the foundation of all spiritual values.
Hozier is obnoxious preening Quaker scum. He is much taller than I am but I reckon I could crush him in a fair fight and God willing one day I will. His music is a genuine example of 'cultural appropriation', because he is a pale Wicklow man who appropriates the sexual themes of African American soul music while scorning and parodying the religious themes of that same music. He uses imagery from Coloured people spiritual songs and repurposes them to have romantic and sexual meanings: one of his songs for instance has lyrics about 'no grave being able to hold his body down' from returning to his girl, the imagery of course deriving from a Coloured people spiritual song about the resurrection. This is real condescension and disrespect for the black people.
This is a video characteristic of the odious sect which produced Hozier: