Travel guide was written Aug 15 or earlier. Its already old information. The latest news was released Aug 19. Latest information takes precedence.
"Due to restrictions in place by the Indian authorities, guests will only be able to transit to destinations in Africa until further notice. "
This is a restriction placed by India. The travel bubble info is available here as well,
https://www.civilaviation.gov.in/en/about-air-transport-bubbles
However, I don't know if Etihad will actually implement this rule or unknowingly break it. I will trust this route only after someone flies to Canada using this.