Right.  OP dismissed it as just coming from this "60-year-old boomer" ... I'm a 55-year-old Gen X , and he's acting as though I alone thought the images need to be reconsidered.

Lol.  Well I don't think he will find many people signing up.  First impressions are everything.

You're not wrong.  There's a balance to be had between sheltering the children from the evils of the world, and knowing enough about the world (and how it works, with all its evil) to be able to succeed in it.  God only knows what the right balance is, and it may be different for each child with a different temperament.  I've known some kids who were so sheltered that they resented it and then bolted (not only from the house but from the faith, not just the Traditional Catholic faith, but from the Catholic faith) the minute they turned 18.  I know my older ones are still living at home, but they work full time jobs (making decent money) and are saving it so they'll be in a position to just buy a house outright when the time comes for them to get married.

Thanks to the shrewd business sense and frugality of his dear grandfather (my father), my son will have a free-standing, if smallish, bungalow with its own lot, of his very own (I retain ownership for legal purposes), when he turns 18.  Pace those who maintain that each generation needs to earn their entire fortune by the sweat of their own brow, this gives him a huge head-start in life, which, being an intelligent, conservative, clean-living white Christian male, he will need in today's society, as he is part of the only minority that it is still acceptable to hate and discriminate against --- several strikes against him, which shouldn't be "strikes" but they are, from the get-go.  I remind him of his advantages time and again, but it goes in one ear and out the other.  He may not be able to get preference in the job marketplace, but being free of rent or a mortgage payment, well, that ain't hay.  If his first job is at Dollar Tree, Walmart, or Pizza Hut --- it's honest work, somebody has to do it --- he won't starve or be hurting for money.  Take that first job and give it your best, I always tell him.  That's what I did.  I've told him, if you can, help me pay the taxes, insurance, HOA fees, and utilities, and that's all the "rent" I request. (And I've told him, if he should marry and have a family, he can have my house and I'll take the bungalow.  Kids need a nice big house.  Old Pop-Pop doesn't need much.)

For good or for ill, he knows far more about the apostate world than he should --- unless you raise your kids in that hermetic bubble to which you alluded, it really can't be helped, better he know such things now, than be released into the world with absolutely no ability to process it.  I try constantly to educate him on how the behaviors he sees in the world are, in fact, destructive not only spiritually but even temporally, and when possible, to show him the consequences that come to people who embrace the world, its errors, and its apostasy.  I teach him to think in terms of (a) what he wants to do, and to contrast it with (b) what he ought to do, and to make the "ought" into the "want", such that your free will becomes the same as the good.  I hope at least some of it sticks.

 "what's a word processor?". 

We call it the paper shredder.