I think just in general the text accessibility of this game is lacking, the pixelated font, together with small font sizes and bad contrast ratios with the background, can make it really hard to read for people who are colour blind or short-sighted.
I think sometimes the UI/UX seems focused too much on aesthetics, when readability should absolutely be the number one priority.
Not in the game but fits with this feedback, the timezone map for when the update released was very difficult to read for quite a few people, and led to confusion as to when the update released. If a timezone map is done again, I hope it will be far more legible and accessible.