No one said it's okay.
We said "buying albums doesn't directly support artists".
Artists make a recording of a bunch of songs. A label buys that copy of a recording and makes a bunch of prints.
Album goes on to make millions, band had sold that copy of the recording so doesn't get anything from the secondary selling.
Label then licenses that recording to Spotify. Spotify then makes money on people's subscriptions and gives the 60% to the label they licensed it from. Notice how the artist isn't involved here?
No one is a fucking slave you idiot, and no one is justifying it. Pirate the album and go to shows and buy their merchandise. This has always been the way, and remains the way.