Unfortunately it also means we don't get more classes or races nor any more companions.
And no, the companies that start working on expansions right after release generally aren't bad apples. The companies that have expansions ready to go on release day are.
I think BG3 is a complete game and that's good.
But, Cohh didn't ask the question I would have asked. Which would have been "Are you planning to do any further D&D content?"
An answer to this question would have provided a lot more nuanced information on a number of topics.
If they are NOT doing more D&D content, what does THAT tell you?