Anyone ever have an evaluation score lowered because you used some of your sick days?

I just got my evaluation and overall it was great, but I noticed my score in one area dropped a point for too many absences. I didn't notice it until after I met with my boss, but we're going to talk about it tomorrow guaranteed.

I work hard not to take days off, so if I ever got sick, I would have days to cover them. Well, earlier this year, I was pretty sick for a week and the doctor said it was not Covid or the flu, even though I had all the signs. TBH, I hadn't thought a thing about it since I returned because I knew I had almost 2 months of sick leave. Needless to say, I'm pissed!

What's the purpose of building up your sick days, if they're going to count against the employee when he/she uses them?