Giving Radio to the Romans: Tends to happen quite a bit, given the lack of any Prime Directive-equivalent and the large number of free traders around who are more than happy to sell anything to anyone who can pay – and that’s not even counting the “fell off the back of a starship, guv, ten bob to you for cash” crowd – and the desires of most people on most worlds for shiny toys.
Some of the real life consequences mentioned are prevented by the Empire’s also having a bunch of private organizations of various kinds, including professional civilization-uplift consultants, who go around helping people not to be total screwups under these sorts of circumstances… but not all of them. But, y’know, free will and all, and it’s not as if they made you invest in technologies granting you the capacity to be total dicks and then use it in that exact manner, belike. That’s on you.
Mental image here…neolithic era tribe of whatevers coordinating flint spear equipped hunting party with solar powered headset radios…
Which would be awesome