Leaked video shows Greta smiling next to police, was it all staged?

Greta Thunberg is seen in a video smiling as police prepare to carry her off to a different spot during this protest. She appears to be very calm and in a perfectly fine mood which have people wondering if this leaked video suggests that she set the whole thing up and staged her own detainment and interactions with the police to make herself look cool on the Internet. It should be known that Greta was not technically arrested, just detained and carried away, but later released.

Sky News had more details:

Greta Thunberg has been detained by police during a demonstration in Germany. The environmental activist, 20, has been taking part in protests against the demolition of a village to make way for the expansion of a nearby coal mine. t is the second time that the Swedish activist, who joined protests on Saturday, has been moved on by police in the village this week.

The local Aachen police force said Ms Thunberg was part of a group of protesters that "stormed" towards the edge of the open-cast mine, described by officers as "steep and extremely dangerous". The force said the activist was not arrested but was instead carried along with other protesters for identification. She was released after a brief detention, police confirmed.