You are almost certainly actually right, the crows knew you and were pissed. It can get very bad, the crows whose child you stole can somehow tell all the other crows who you are too, even city-wide, and they can get very aggressive. You have gotten off easy so far.
Crows are incredible. And yeah, you can definitely make friends with them too. This Harper's article has some amazing stories of people making enemies, and also really touching stores of friendship.
> From then on, each time Adam or Dani walked onto their back deck, a crow would call out and the murder would reappear as if summoned, squawking so loudly that it was impossible to carry on a conversation. Sometimes the crows would dive-bomb them or attack Mona when she went out to pee. When Adam took the dog for a walk, the crows swooped low and followed them. He tried walking Mona in other neighborhoods, but the crows terrorized him there too. Adam and Dani felt under siege. They worried for Lina’s safety. “The crows are like the Mafia,” Dani told me a few weeks into their ordeal. They’d stopped going outside, she said, unless it was absolutely necessary. And because of the pandemic, they couldn’t really go anywhere else.
> The day Dani rescued Mona from the crows, a neighbor thought he’d spotted a fledgling in Mona’s mouth before the murder first descended. Dani and Adam weren’t so sure—they had never seen Mona attack a bird before. But it nevertheless occurred to them that they might be on some kind of crow hit list. Through online research, Adam learned that crows have an uncanny ability to recognize humans, assign them moral qualities, and pass this information on to other crows, even to future generations. Desperate, Adam took to Reddit. If you’re at war with the crows, post after post advised, your best option is to move.
—https://harpers.org/archive/2021/04/the-crow-whisperer-anima...
They enlist a crow expert to help them apologize and make peace with the crows, and it does eventually work. Hope you don't ever need that advice!