You might not “own” your Twitter followers (you can’t take them if you leave), but you get to leverage the platform for distribution. You could theoretically launch your own version of Twitter if you want more ownership - but it’s practically useless if there’s no one there to read your tweets.
What’s so interesting about the Dolly Parton Challenge is how it conveys something that everyone implicitly understands: we all have disparate identities across the internet.
This decision-making around how to price digitally scarce music and art illuminated to me that in a commodified streaming economy, most musicians don’t have the ability to set the price of their own creative output in the first place, and may be leaving money on the table in the process.