That just pushes the question back a step. Why can any entity learn?
Why can any entity learn?
A more useful question to ask would be "how do entities, in fact, learn?" This avoids the trite answer, "because if they didn't, we wouldn't be asking the question".
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
Notes for future OT posters:
1. Please add the 'open_thread' tag.
2. Check if there is an active Open Thread before posting a new one. (Immediately before; refresh the list-of-threads page before posting.)
3. Open Threads should be posted in Discussion, and not Main.
4. Open Threads should start on Monday, and end on Sunday.