Problem with the way it calculates sentence length

I use a lot of lists on my posts. Many of these lists are long, but since they are not full sentences themselves, or are a list of directions, I do not put a “.” at the end of each element on a list (that would look stupid to the reader). However, RankMath then tells me that my flesch score not good. Its advice is to use shorter sentences. The first time I saw this, I was confused because I already know to use short sentence whenever possible in a blog post. So I looked at the post and realized that the only thing that wasn’t a “short sentence” was my lists. so I put a “.” at the end of every line of the list and found that my flesch score was suddenly very good.

I think that this is a design flaw. The purpose of the flesch score is to rate readability and lists are very reader-friendly. Is there some way that you can make it so that it doesn’t penalize the use of lists? I want to know the readability of the rest of my post without having to spend the time to put a “.” at the end of every line first (and them subsequently having to spend even more time deleting them so that it doesn’t look bad).