The speaker considers improving evaluation scores evidence of progress, while emphasizing that the evidence must be interpreted carefully; worsening scores would concern him more.

“yeah yeah yeah to be clear i think that like i would be more concerned if the scores were getting worse than better like i'm not saying that the score is getting better isn't good isn't evidence that things are getting better it's just that we have to like be thoughtful exactly how we interpret that evidence and in fact i would say that like it's kind of like my sense is that like what i expected as of 3.7 sonnets like there was this period”