Don’t know about the other “I am the cool and security concerned type of people” but if I quit Whatsapp I will left starving for food (because I work with WhatsApp). If you made that decision aside from your job I can’t see why it should be a problem! Filter your friend and enjoy your WhatsApp-free life.
https://feddit.it/comment/336030 Penso che sia tutto già visto ormai. Un peccato il non avere la forza di cambiare (mi escludo da questa categoria).