It doesn't share your FileVault key if you already have FileVault enabled.
Rather, if you install it on an unencrypted drive, it'll turn FileVault on and then save a backup of the key to iCloud.
Not sure if this is just a beta issue or it was intentional. It would be annoying for people who don't want encryption, but I guess for most people, an encrypted drive + iCloud key is probably better than an unencrypted drive.
It doesn't share your FileVault key if you already have FileVault enabled.
Rather, if you install it on an unencrypted drive, it'll turn FileVault on and then save a backup of the key to iCloud.
Not sure if this is just a beta issue or it was intentional. It would be annoying for people who don't want encryption, but I guess for most people, an encrypted drive + iCloud key is probably better than an unencrypted drive.