GPT is either sycophantic or pathologically disagreeable, why can't there be an in-between?

The sycophancy of GPT is a well known aspect and doesn't need any attention here, but a new shift I've noticed the past few months is unsubstantial pathological disagreeableness. By that I mean in dozens of instances now GPT will respond to me with some kind of disagreeable language like "needs tightening", "needs refining", "broadly accurate BUT". So it frames the message like a refinement, or detraction. But then after the "but" it essentially restates what I said again, in different words. So