The author of a creative work doesn't have the right to force me to delete something from my laptop if I obtained it lawfully.
Maybe not technically, but in practice, yes. You may be able to keep them, but you can't actually open and view them. As per MAI Systems Corp. v. Peak Computer, Inc., loading something into RAM counts as copying, so you need a license to do that. And even if you had one once, it can be revoked (not all licenses are non-revokable).
Maybe not technically, but in practice, yes. You may be able to keep them, but you can't actually open and view them. As per MAI Systems Corp. v. Peak Computer, Inc., loading something into RAM counts as copying, so you need a license to do that. And even if you had one once, it can be revoked (not all licenses are non-revokable).