It’s a double whammy that would have made throwing in old fashioned 007 trademarks rather distracting. The 21st Bond movie needed to reintroduce James Bond as a more modern action hero, as well as allow a new actor to feel out the role in their own fashion. But Daniel Craig’s debut in Casino Royale was basically a reset button that put 007 in the middle of his first mission as a 00-agent.
It’s already hard enough for any actor to pick up the mantle of James Bond, even if it’s in a well established line of continuity.
Using The Trademark 007 Touches Any Sooner Would Have Been Distracting