Yeh it's clearly from someone who was arrested there and probably wasn't treated as a criminal. They have a better understanding of how they were treated in their own situation to have sent flowers with their own money (although cutting flowers and wrapping them in plastic
) In some countries people get killed for protesting the climate.
It could have been this mother
Does she agree with police prejudice? Probably not.
XR isn't really an entity that sends flowers out. It's a collection of people and if that person sends a box of milk chocolates to a police officer then it isn't representative of the movement and their support of the dairy industry or institutional racism.