The eye doesn't care, and frankly doesn't know, whether the light it's getting is reflected or if it's directly emitted from what you're looking at.
All it cares about is light intensity and contrast range in the visual field of static images, which is what you're reading.
No, only more profit per sale. If total sales sales stay the same, you're golden. If not, you might end up with either no change in profit, or less profit, or none at all, or a loss, depending on how badly sales are impacted.
The record labels don't seem to be able to understand this simple issue.