Well I am a raging hypocrite considering I work for them and currently have a Home, Home Max and a couple of mini's, glass etc, Google are obviously great! 
I have never touched any of facebook (the company's) products (nothing wrong with facebook etc) turn of all location tracking, keep my phone clean of crappy apps limit permissions, never keep signed in to anything and a few other bits.
But the main thing is I know I am a product now online, its not the wild west on the net that it once was in the heady days, the cat is well and truly out the bag and as PP said it will not go back in the bottle, to many people and industries rely on it, someone has to pay for infrastructure and data storage and you only have to see even on this thread the amount of people who apparently are not swayed by adds that monetisation has to come from somewhere.
It's just a simple be aware, a previous poster rightly mentioned about adobe wanting access to their camera, yes it sounds clandestine and should be disabled unless you want to use the OCR and scanning functionality, now most people who are worried about that type of access have no problem with snapchat or any new app that suddenly becomes trendy or up and coming, they happily check in with facebook sign in or register across multiple sites with facebook or think that owning an apple product makes them somehow immune (hint apple have their own data analysis as well, and its not some fluffy middle class type either)
As for most tech billionaires not letting their kids touch social media or products etc is bullshit, they all run around with smart watches have home assistants smart tv's the lot, they are just taught to be more aware online get the most use out of tech as you can but be very aware that anyone could gain access to your data at any point in the future if the wind changes so be aware, and as I teach my DS that you should never treat privacy from the angle of I have nothing to hide so nothing to fear, because first they came for the ....