It's not just that people don't want to write about it, it's that people don't want to read it either. You'd never see a post on the front page of HN about how

It's not just that people don't want to write about it, it's that people don't want to read it either. You'd never see a post on the front page of HN about how IoT device X was well designed and is generally secure, but you see (and will continue to see) them top out about how awful they are. Just look at this thread. Half the answers to "what are some good IoT devices" is "lol there aren't any"... The HN crowd doesn't want good IoT devices, they want to make fun of bad ones.