That is not supported by the data. The lions share of new music discovery is still done via terrestrial radio, and the brand identification people have with their favorite stations is crazy high
But it looks like the data from other recent sources are mixed, with different surveys posting widely varying data, consistent in the direction of change from radio to streaming) but not what the current leading discovery sources are or even the relative placement of streaming vs. radio.
> So, here's a newer piece, with opposing results:
It's a more limited piece that only talks about 15-19 year olds, which is a far smaller audience than kingraoul3's link. kingraoul3's link has data on ages 12 and older.