Kezo
I don’t think you will ever be convinced as you don’t want to believe it. EVs aren’t perfect by a long way but they are infinitely less harmful to the environment than fossil fuel cars and even “Big Oil” has said as much.
I don’t believe that EVs are being subsidised indeed the government has subsidised the fossil fuel industry by £20 billion more than Renewable energy since 2015.
I think Motability have taken the right approach in embracing the new technology whilst maintaining a stock of ICE vehicles as well. Until recently we only had a small stock of EVs but the balance is shifting. Having said that perhaps some more premium ICE cars (as they’ve done with EVs) wouldn’t go amiss.