What's wrong with moss viewing? First I've heard of it, but it makes me wanna get out my micro lens and try it. The girl seems like she is just passionate about

What's wrong with moss viewing? First I've heard of it, but it makes me wanna get out my micro lens and try it. The girl seems like she is just passionate about it. Much like stamp collectors or beetle enthusiasts, etc. Probably not as intense as some videogame players. How does this drive them to extinction? Nothing stops people with hobbies from having plenty of children.