The EU has fleet CO₂ emission limits; cars and vans which produce more CO₂ than the regulated amount have a 'tax' that the manufacturer must pay.
That's an incentive not only to produce an electric car, but to produce one that people buy instead of buying petrol/diesel cars.
https://ec.europa.eu/clima/policies/transport/vehicles/cars_...
I think the economics aren't really there yet for them to bother with an electric platform (vs retrofitting electric drive into an existing platform). If they thought it made sense, they would be able to be producing at large volumes in a few years.