Even then, google likes to link to a twitter account (that is, main account) of some random person who reposted the image three months ago instead of the actual tweet, or author's twitter, or anything usable
Yes, but the fact we have to do that…
That's just the nature of the game. Pinterest figured out what the google algorithm wants. At least we can easily filter out results with the advanced search operators that google has.
-site:pinterest.* is better. It filters the site specifically and includes all TLDs.