Given how much malware the Chrome Web Store pushes, and how sensitive of data extensions have access to, actually taking the time to properly review updates is absolutely warranted.
We don’t let drug companies sell their products to everyone the second it’s produced. First you test in mice, then 10 people, then 100, then 1000, then, and only then, can you release it to an entire population (roughly speaking).
If I update the text or change a typo they take a week to release the update. During this time I can't release another version of my app.