This one is going to do damage if it becomes more fit. It is almost 100% lethal to ferrets due to central nervous system issues. Ferrets like mink have similar respiratory systems to humans.
We are not ferrets, but if it starts spreading it would be wise to not automatically assume that it can just be ignored. Most people already have damaged immune systems due to SARS2 and you've all heard of the idiom of the straw and the camel's back.