I can see the arguments as to why this would be useful.
- Access your bookmarked answers on any device anywhere -
- Quicker and easier to click "Fave" on an answer than use browser
bookmark functions and deciding where to save it
- We'd have "bookmarked" answers right in our Stack profile
However, these pros are all pointless unless Stack implemented a user defined "section" area for our fave answers, so we could order them and have folders/sub folders etc.
As otherwise we just have a potential clutter of fave answers in our Stack profile in one huge long list. Once you have (say) 40, how can they easily be found and used for future reference?
However, if they did have some kind of ordering system, they'd then just be duplicating browser features, and I find that a pointless waste of dev time, and as such a useless feature really.
In that, we already have the feature with browser bookmarks as good as Stack could make it (if an ordering system was given with the feature), or better than Stack would make it if fave answers were just a big list of answers we liked.
Bookmarks are perfect
I think people should consider more closely how great bookmarks can be.
Make a new Stack bookmark folder for answers, then sub folders relevant to whatever you bookmark there, and then name files relevant too.
PDO prepared statements great notes
time() function perfect usage description
Z-Index good description
Difference between positions - absolute, relative etc
Share link is perfect for getting the URL to store as a bookmark.
Other caveats to answer faves
Stack content can be removed at any time, so if an answer is of great resource to you, and future reference, it and many others can be lost.
If you don't like browser bookmarks, and or are wanting a great collection of info and useful data for future reference, then perhaps you need to be copy/pasting answer text into a collection of files on your PC, in folders named to store them sanely.
Having fave answers would also would mean a potential for people to upvote an answer without any justification other than it helped them, and might not be a good answer for the question.
Habits can be formed, where someone reads an answer, likes it, makes it a fave and upvotes it.
Not ideal really.