You cant reply without security authentication?Yes, I can do in line replies from the notification shade and if I'm on my lock screen and select reply, it does a security check with my eyeballs/pattern/fingerprint/etc then you can reply from the lock screen.
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What can you really do with the note though... Add a stylus and thats it?Definitely don't think there's anything wrong with you.
The reasons you mention are all justifiable enough. The Note 8 should be a beast!