As a film CR is a good introduction to the character particularly as a Fleming Bond. But for a lot of people it's more of a reintroduction because of all the preceding films and all the differing expectations and biases that come with that. The one small hitch was the retaining of Judi Dench as M. I liked her in the film, but it could be confusing for some who might interpret this as a continuation of what came before rather than a clean reboot of the franchise.
Because I had become disillusioned and disinterested with so much of what came before perhaps that made easier for me to accept CR as a more clean restart exercise and not burden it with comparisons to what came before. CR evoked the feeling of the first two Connery films before the Hollywood Bond began to creep into the films. And by the fifth Connery outing (You Only Live Twice)
and especially Diamonds Are Forever
it was all Hollywood Bond and rarely would we see the Fleming character over the decades until Casino Royale
. OHMSS is a blip they didn't stick with.
The thing is, too, is that there are viewers who know Bond only through the films so their view will vary in what they think the character and the films should be. The original books have become largely irrelevant for them much as TOS may be seen as largely irrelevant for fans of the later Trek series and films.