I would disagree with the point that all modern music is written to make money. Much obviously is. However there are plenty of musicians out there writing and playing songs for the fun of it. Making music because they enjoy making music. Art for art's sake. I myself know various good musicians, and some better than good, who write their own songs and tunes and have never made any real serious attempt to make money out of it. Even many professional musicians surely do not bow to the more commercial aspects?