1. The article features an interview with the Guardian crossword setter Sphinx, who has returned to setting crosswords after a brief hiatus. Sphinx discusses the process of creating crosswords, including the challenges of finding the right balance between difficulty and accessibility, and the importance of providing clues that are both challenging and fair.

2. Sphinx emphasizes the value of crosswords as a means of mental stimulation and escape, particularly during difficult times. The article highlights the crossword's ability to provide a respite from the stresses of daily life, and the sense of accomplishment that comes with successfully completing a puzzle.

3. The article also touches on the evolving nature of crosswords, with Sphinx noting that the crossword community has become more diverse in recent years, with a wider range of setters and solvers. Sphinx expresses a desire to continue contributing to this vibrant community and to create puzzles that challenge and engage readers.