Nintendo Switch eShop is now connected to Google Analytics for data collection by default. Nintendo eShop included an option to disable Google Analytics data collection after applying system update 11.0.0 for Nintendo Switch.
There is no official information shared regarding what and why Nintendo includes Google Analytics data collection function in eShop. Based on the explanation stated on the settings page
This setting is enabled only on Nintendo eShop for the Nintendo Switch console, which probably means activities on Nintendo Switch outside the eShop will not be tracked by Google Analytics. You can now follow the below steps to disable Google Analytics data collection via Nintendo eShop and Nintendo Switch Online App.
Step 1: Download and install the latest System Update (Ver. 11.0.0 distributed on November 30, 2020) for Nintendo Switch. If the System Update does not perform automatically, perform the following steps to manually start the System Update. Go to HOME menu > System Settings > System. Select System Update to start the system update process.
Step 2: Tap on the shopping bag icon on the home screen to start the Nintendo Switch eShop.
Step 3: Tap on your user profile icon located at the top-right corner of the screen to open Nintendo eShop account information.
Step 4: Scroll down to the bottom of the Account Information menu and locate the Google Analytics Preferences section.
Step 5: The current setting of Google Analytics Preferences is showing Share, tap on the Change button to open the Google Analytics preferences page.
Step 6: Select the radio button for Don’t Share and tap on the Change button.
Step 7: The confirmation box with the message
Your settings have been changed will prompt. Tap on the OK button to leave the menu.
Step 8: The setting of Google Analytics Preferences is now switched to Don’t Share.
Step 9: Press the X button on your right Joy-Con to exit the Account Information page or press the HOME button on your controller to exit the Nintendo eShop.
Step 10: Select the Nintendo Switch Online app on the bottom left of the Home screen.
Step 11: Tap on the big rectangular box with your profile icon on the top-left corner to open the Membership info.
Step 12: Click on the hyperlink with anchor text Here beside the Google Analytics Preferences.
Step 13: The confirmation box with the message
Manage your preference for Nintendo's collection of your data through Google Analytics. will prompt. Tap on the Do Not Allow button.
Step 14: Perform all the above steps again for all other accounts.