harm
/härm/
noun
: physical injury, especially that which is deliberately inflicted.
Nobody is inflicting any harm by choosing a bad color palette.
The word "harm" means many things. Just google "consumer harm", for example, and the top result is a government agency using the word harm to describe non-physical injury:
https://www.fdic.gov/resources/supervision-and-examinations/...
You're being a bit disingenuous here. Other definitions of harm include: "have an adverse effect on" and "actual or potential ill effects".
You’re conveniently skipping over the secondary definitions, which includes “actual or potential ill effect or danger”.
The product itself is not harmful, just inaccessible, but describing the changes as harmful seems right.
I have to use Discord every day for work, so if this redesign was interfering with that I'd be pissed. (I pay for a third-party Discord client for this and other reasons)