There’s “how to be a good parent” advice and there’s also “oh boy how do we manage mealtimes and laundry and the school run” type advice. Someone with lots of kids is going to have great insights into the latter at very least.
I am the father, and I have a ton of involvement in the day-to-day work of running the house. This brings me and my wife a lot of satisfaction and it undoubtedly wouldn’t be possible if I was still commuting to work in Silicon Valley.