It's very simple to read out the player_id, anyone can do this, so Inno should be able to do it too
After all, the reward can be given to all players regardless of the building value, although a difference can be created in the colour of the tree.
For example: Green tree leaves for the non-GvG players and purple/pink for the GvG players.
Minimum requirement, 1x siege deployed and/or 50-500 battles in a year. Why not, that's not bad and a tribute to those who played and love it ;-)
Because of the goods, it was usually the case that GvG players worked hard to obtain additional goods. non-GvG players also had the pleasure of being in a top guild
One question remains: When will the next information be published? Time is over...
and will this also affect the live server or just the beta environment, that's not clear