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No, this is just completely wrong and ridiculous. People did this all the time until txting was common. Once txt was common there was no reason to just drop by someone's place randomly without giving them a heads up.
What makes your lived experience more correct than the lived experience of my grandparents and parents who lived in the time? Once the telephone was popular in the US this was something that people in our circle just stopped doing. All it took was a 30 second phone call to say "hey, can if I head over if you're not busy?" (and the answer was almost always yes, I'll agree that is likely different than today) to make s…
Of course there are some unwritten rules and some people that you do call ahead, but for many it’s still an acceptable practice.