Thats because he entered the series at a low point and has harvested it to an all time high. He should reap the harvest instead of letting others rob him of what he deserves. Besides, it goes against every Hollywood tradition and custom to dump an actor after he has delivered nearly half a billion in the last film.
a stupid tv-magazine printed the interview that's by now a month old also claiming mister Bleurgh-Bleurgh Bloom would be Bond
they even claim the script is finished and that they're ready for shooting, except that Pierce won't return
it would be nice if they did some darn RESEARCH instead of blabantly copying it from sensation papers