* It’s definitely not stealing in the legal sense of the term, which requires a party to be deprived of physical property that they own.
* It’s also not in the colloquial sense of the term, because if you call this stealing you’d also have apply the stealing label to blocking ads/trackers on the web, taking advantage of free trials for services without any intent of becoming a subscriber, or countless other activities that could be considered “depriving someone of revenue.”
In the US, we do in fact have a legal term for the crime at play here — but the term is copyright infringement, not “stealing” or “IP theft” or whatever other stupid label the content cartels want to apply to it.