Google doesn't take well to people asking for links to their site. Asking for links, buying for links, or spamming your link is something that Google doesn't like. Just from this, I can already see your expertise in SEO. Although having this post at the top of Hacker News is going to help this a bit.
Anyone with basic SEO knowledge could have told you the pitfalls of transferring domains. This reads closer to trying to blame Google for your lack of traffic, rather than what you learned from the experience. From my experience, Google's algorithm is finicky, but if your site is sound and has good content you have little to fear.