Yes, when you come across content that bothers you, or upsets you, or makes you angry, or scares you, you want to exit the application and not enter it again. But fortunately most people are not (very) bad and they want the attention of the majority just like them. 

Therefore, it’s easier not to look into Global and block/mute the bad ones, and the impressions from unmoderated Nostr shall be even more pleasant than from moderated Twitter or Facebook.