Do not touch butterflies

A black butterfly with white spots and an orange pattern sits on a green leaf.
Do not touch butterflies
Palm Gardens — Frankfurt, Germany
June 2022
Canon EOS M50
Canon EF-M 18-150mm ƒ/3.5-6.3 IS STM
150.0mm | ƒ/6.3 | 1/250s | ISO 250

I took this photo at a butterfly house, which is a double-edged sword. On the one hand, you can appreciate exotic nature and take nice pictures like this one. On the other hand, you see people disregarding warnings such as "do not touch butterflies — you may hurt them", taking pictures of their children touching the insects 😠.