The sexual options for two consenting adults are fairly limited compared to "everything else imaginable that is unrelated to having sex". I also don't see any

The sexual options for two consenting adults are fairly limited compared to "everything else imaginable that is unrelated to having sex". I also don't see any connection between the two schools of thought, other than them both being things you've read recently. At least I've never seen a "CIVIL UNIONS ARE A CIVIL RIGHT, AND NO UNPAID INTERNSHIPS" sign.