The "issue" is a questionable call, a single fumble, and then a questionable hold (with a made 40 yard fg).
I'm not saying it's perfect but it's good enough to win games with our defense.
It's more than that, Purdy has a very high completion percentage but a number of his throws have been somewhat off the mark, not hitting his receivers in stride.
The line has looked quite bad as well, Breece has had to dance in the backfield far too much and even Purdy has been going on some non-designed scrambles.