I am a SAHM so I see this a lot more than DH does. Especially since - in order to keep sane - we’re generally out and about every chance we get.
I think this is a lockdown / Covid thing, but I am SICK of people mindlessly telling off my kids for pretty much no reason. I’m all for “the village” mentality, but the “village” feeling quite mean-spirited and I've had enough.
Things that happened this last few weeks:
3-year-old ran from one bit of the paved park to another, across the path of an older couple walking. 3-yr-old didn’t bump into anyone, didn’t make anyone have to swerve or even slow down really, and was probably still about 2m away from them, but the lady (maybe in her 70s) shouted “get your child away from me!” And then, when I responded with a gaping mouth, she said, “Put your child in school! They shouldn’t be out like this!” 
Another instance:
Park today, preschooler and school-aged child doing cartwheels on the grass. A dog wanders over, so school-aged child (who absolutely loves dogs) asks the owner if he can stroke the dog. Owner says “No, don’t touch other people’s pets!” (A Covid fear, I know, but the kid asked!) and then dragged his dog away by the collar and muttered “fucking kids” under his breath. I mean... whaaaat?! The dog wasn’t touched! I was
. Man wouldn’t look at me at all, I told him to stop being so rude to kids. He heard me, but didn’t look me in the face.
Another example: kids playing loudly (how dare they?!) in our big shared garden. Woman who I don’t know sticks her head out the window and shouts “shut up! Shut up!” And then slams the window. It was about 1pm.
I have about three other examples of the same kind of thing.
And pretty much NONE from about a year ago and beyond so sure it’s a Covid fear and kids are easy targets to yell at.
I’m sick of it. It’s really starting to bother me and make me wonder if it’s like this everywhere now, or just where I live.
Am I alone in noticing it?!