Unscrupulous individuals are more likely to use cameras that are intended to be concealed to avoid suspicion rather than glasses that have a fortune in advertising to make people aware of what they are and what they do. These glasses company have tons of money to lose for mishandling user data. Meta's glasses are available in many countries considered to have strict privacy laws all around the world: (Canada, Germany, Sweden, etc.) : https://www.meta.com/help/ai-glasses/4961066940605960/