This is nonesense. Look at the bond franchise pretty much redoing itself all the time with different bonds.
when one fizzles out, the next one doesn't take it on the chin when they do cast again.
Die another day was horrible and it had no effect on Casino Royale what so ever.
People are old enough to watch a film on its own merits without 'carryover feelings'. It's been five years already, no one even cares except for us fans.
only thign i am hearing is people saying 'why didn't they just do a sequel to the other one', I haven't heard a single person going 'the first one was crap so i'm not seeing this one'. Probably exactly the same people who saw the first one saw the second.
This ang lee thing is a complete myth that has no physical grounds.
unless you can provide some survey of all those put off by the new film as a sample of the population then it really just sounds like fans of TIH being bitter.