As a frequent user of Strava I disagree. The app makes it pretty obvious and easy to control whether your profile is private or public, and if it's public, you

As a frequent user of Strava I disagree. The app makes it pretty obvious and easy to control whether your profile is private or public, and if it's public, you can easily hide any activity. They've even got a "privacy screen" feature where you can set a geofence, and activities that start or end within the geofence are automatically made private.