^this. The author is probably a developer, of a cynical nature, more into facts and to-the-point information, etc.
Whilst app makers generally cater to a much wider audience; if a release note on an app makes someone smile or chortle instead of glaze over when confronted with a detailed changelog, then, success.
False (obviously). Everything is marketing. Every touch point with your consumer matters. For every reaction like this, there's a user who is delighted by the little break from expectations and monotony.