What are the principles governing the exceptions you listed (slander, doxxing, incitement)?
2. Actually, this isn't illegal in a lot of places.
3. Direct, obvious harm beyond "my feelings were upset."
The reason I bring up these examples is that they are what I consider the edge cases of freedom of expression. There are genuinely difficult tradeoffs between values, but allowing stuff that bothers some people to be published is not one of them