Spying on someone, especially in a setting like a warnet (internet cafe) where people expect a certain level of privacy, is not only ethically wrong but also potentially illegal. Laws regarding privacy and surveillance vary by jurisdiction, but in many places, such actions could lead to serious legal consequences.

I also need to highlight the importance of respect and consent in all interactions. Education on digital citizenship and awareness about cyberbullying could be part of the response. It's crucial to make it clear that any form of non-consensual observation is unacceptable.

Ethically, the discussion around such topics should focus on the harm caused to individuals and communities. It's essential to approach the topic with empathy for those who might be affected and to highlight the importance of respecting boundaries.