Feels like a vanity metric, electric car companies don't boast about their cars having X horsepower. Not many people care about horsepower because either way there are speed limits on the road.
I think electric motors should focus on other vectors.
Every car listing, review and so on mentions either the bhp or kW, along with the 0-100km/h or 0-60mph which is functionally the same as listing the horsepower to weight ratio.
Car companies, both electric and non-electric, frequently advertise rated horsepower of their vehicles, even non-performance vehicles. In the US, horsepower is one of the key metrics for a vehicle overall.