[Launch Feedback] If not logged in - the hero is always the same

[renintw]

The expectation was that the sites would switch randomly on each page load.
Related: #145

This is the same for wp.org homepage: WordPress/wporg-main-2022#113

[ndiego]

Just wanted to note that after 60-120 minutes, the server cache updates, and the user will see a new site. Not the ideal implementation, but there is still a level of randomness (which was intended) to what is displayed.

[dd32]

Just wanted to note that after 60-120 minutes,

The cache for showcase is currently 15minutes; for the WordPress homepage it's 1 minute.