Simple sentences are important for making clear points. Be careful though - if you only ever use simple sentences in your writing you don’t add much detail, so your reader could lose interest.

Ex: The dog barked. Compound-complex sentences combine a compound with a complex sentence. Ex: When Katie’s dog barked, Robin yelped, and Sam asked Katie to take the dog outside.

It details how researchers were able to fool cutting-edge deep neural networks using simple, randomly generated ... we shouldn't be surprised to find them complex to the point of opacity.