Love does not replace or override the commandments. Love is a summary of the commandments and to love others is to apply the commandments for their benefit, in the same way we apply them to ourselves. (Romans 13:9-14)
Hebrews shines a spotlight on the imperfections in the priestly power structures of their day, and in doing so brings into the light the inevitability and necessity for someone greater — Jesus The Forever Priest King.