Yes, PIR is usually safe and suitable as it fosters awareness and care in communication. It lacks any vulgarities and is merely a situational warning. It can also be used to instill some responsible online habits in younger users by reminding them that they should think before typing. Nevertheless, it is not best to overuse it or use it as a way of concealing inappropriate conversations. It is a practical tool that should be applied in order to respectful and mindful conversations in the light of limited privacy. Know more what does pir mean