What is even the point?

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Across
  1. 2. Queen of Swords, e.g
  2. 4. Biblical garden
  3. 5. Famous port in wales
  4. 6. Foil
  5. 9. Dinner, to a mouse
  6. 11. Caesarean-section, perhaps?
  7. 14. The Governess
  8. 17. Panama termination
  9. 18. Fake retreat
  10. 20. When doubled, name of barbados ping-pong champion
  11. 21. दावतें-ables
Down
  1. 1. Directionally challenged, perhaps?
  2. 2. Bad guys in Star Wars
  3. 3. Smells like?
  4. 7. Met Gala heist
  5. 8. See it, Say it, _
  6. 10. Gay man, perhaps?
  7. 12. Capital of Nepal
  8. 13. Chinese in the NBA
  9. 15. Famous island haver
  10. 16. Poultry NCO
  11. 19. Like a salamander