No it was the opposite. Information laid out in his dossier continues to prove true over time as more details are released to the public. Not sure that anything has been shown to be false.
Most criticism you find is heavy on colorful language like “'fake news” and “common sense” but lacks any disproving evidence.
I needed a simple script to combine jpegs into a pdf. I tried to make a python script but it’s been years since I’ve programmed anything and I was intermediate at best. My script was riddled with errors and would not run. I asked chatgpt to write me the script and the second or third attempt worked great. The first two only failed because my prompts were bad, I had never used chatgpt before.