It's not theft, because it doesn't deprive the original owner of anything.
That's not how theft works. It's called intellectual property. You are depriving the creator of compensation for the work they have dedicated resources to producing.
If it wasn't, no one would ever develop any kind of software or scientific research or write a book or produce any kind of intangible work whatsoever.
This is complete nonsense fabricated by entitled children and it is exhausting.
theft from billionaire hollywood studio owners is cool and good.
You can justify it however you want. That's what any criminal does. It doesn't make it not theft.