Can you expand more on the _sharing is spamming_ ?
Seems like a point with some depth to it.
Everything you share is visible to all your friends AND their friends, so you are grabbing attention of few hundreds/thousands of people, most of whom are total strangers to you - that's called spamming.
Remember, sharing is spamming.
[1] https://www.theguardian.com/money/2017/may/05/earn-a-living-... [2] https://socialix.com/facebook-influencers