“Absolute garbage’: TikToker settles accounts with plant department in hardware stores. “It has nothing to do with nature conservation”: Many ornamental plants are of no use to bees etc.
You can also create the optimal conditions for bees & co on your balcony. Create a pile of rocks. Stones attract heat-loving animals and thus contribute to biodiversity. Avoid plants that don't produce pollen or nectar. Exotic trees offer little food for insects and crowd out native flora.