Which topics are taboo? That documentation is good? Or that academic use and industry use are different? Those topics are well discussed in the community.
On the other hand, negative ranting about how everyone is wasting their time, how particular people are terrible, or how charging money for a book is inappropriate -- those are discouraged, and thankfully.
On the other hand, negative ranting about how everyone is wasting their time, how particular people are terrible, or how charging money for a book is inappropriate -- those are discouraged, and thankfully.