I don’t understand how the parent comment is downvoted yet this is not. “Stealing is ok because stealing is already a thing”… come on, now
This doesn't apply to dematerialized content: the original copy still exists. The only negative impact occurs if someone decides to actually use the pirated copy in place of buying a licensed one.
The mere existence of this new pirate copy being around doesn't automatically imply that, especially if other, more convenient sources are available.