A video of a passenger forcibly ejected from a United Airlines flight has been condemned across the world.
It shows a man being dragged off a plane, sustaining injuries as in the process, apparently because the airline wanted to make space for it own passengers.
These species-particular behavior patterns provide a context for aspects of human reproduction, including dating.
However, one particularity of the human species is that pair bonds are often formed without necessarily having the intention of reproduction.
Filming before boarding a plane is easier, especially since most commercial airports are operated as public spaces.
The TSA's own blog makes clear that it doesn't "prohibit public, passengers or press from photographing, videotaping, or filming at screening locations.
From the standpoint of anthropology and sociology, dating is linked with other institutions such as marriage and the family which have also been changing rapidly and which have been subject to many forces, including advances in technology and medicine.
As humans societies have evolved from hunter-gatherers into civilized societies, there have been substantial changes in relations between men and women, with perhaps one of a few remaining biological constants being that both adult women and men must have sexual intercourse for human procreation to happen.
In modern times, emphasis on the institution of marriage, generally described as a male-female bond, has obscured pair bonds formed by same-sex and transsexual couples, and that many heterosexual couples also bond for life without offspring, or that often pairs that do have offspring separate.
Thus, the concept of marriage is changing widely in many countries.
"Photographing or recording other customers or airline personnel without their express consent is prohibited." It's not clear what "personal events" refers to, but it's likely written that way to ensure that the airline can enforce the rule however it wants.