Typical. I show your arguments to be a sham so your response is insults.
If he claimed to be a scifi author, his "predictions" would be fine. That's where imagination comes in. But he's not claiming to be a fiction writer.
He made specific predictions of what will happen by a certain date. He wasn't off by a couple of years. He was completely wrong. You can't pick out the part you like out, ignore the mistake, and claim a statement is true.
You aren't pointing out mistakes, you're fumbling technicalities on a limited number of points because you can't find anything substantive wrong with his predictions.
You claim having both the date and the actual prediction wrong is a technicality. With that criteria, a wrong prediction is impossible.
Yes, he did have some accurate predictions. From the Forbes article where the author went through them all and highlighted a few, Kurzweil was about 25% correct.