Music critic: How well an underground rock group's recordings sell is no mark of that group's success as an underground group.
Conclusion
How well an underground rock group's recordings sell is no mark of that group's success as an underground group.
Evidence (after all)
You could have strong sales, but not for a cool reason, rather because your music is too trendy to be authentically undergroun.
You could have weak sales, but not for a cool reason, rather because you're just incompetent.
Evaluate
This argument can be hard to understand. It helps to start by thinking of how you prove a claim like "X is no mark of Y", for example, .
Maybe some people think "beautiful people are good people". But we could show them that beautiful people are sometimes bad.
Maybe people think the opposite: "beautiful people are bad people". But we could show them that beautiful people are sometimes good.
Ultimately, we're trying to show that beauty doesn't go hand in hand with good or bad. An attractive person might be good or bad, just as an unattractive person might be good or bad.
Some people might think that if a band's recording sells really well, then they are a success! No, our author says, because sometimes a band sells well but their music is too trendy to be authentically underground.
The author is assuming that they're not a success, if they're music isn't authentic / it's just trendy.
Some people might actually think to be a successful underground group, you should be so weird and provocative that you aren't popular, that your recordings don't sell well. But, no, our author says, because you might sell poorly just because you're incompetent.
The author is assuming that if you're incompetent, then you're not successful.
Goal
Essentially this author is thinking that SUCCESS as an underground group requires being authentic and competent.
She thinks that if you're too trendy to be authentic, or if you're incompetent, then you're not really a success.
Let's look for an answer that strengthens any of these missing links.