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Actually getting hold of an electric car isn't really a problem. Like you said,  there are incentives. It's the supporting infrastructure that's the problem. 
Petrol stations are, understandably, everywhere. You're rarely stuck for finding somewhere to refill the car. 
Electric charging stations are patchy. Some areas are immensely well populated, others are... not. You don't want to feel like you're dancing with the devil when you're running low.
I'm in the UK and would LOVE to go electric. But the government insists on letting the private sector lead on infrastructure growth with fuck all meaningful incentives, and the private sector is slacking because not many people are choosing to buy electric cars. As a result, many people are putting off buying them. 
I travel a lot for work. A LOT, all over the country. In some areas, I'm going to be fine. But if I get sent up to the lake district, many areas of Wales or frankly nearly anywhere north of Manchester, I feel like I'd be rolling the dice. >

the UK does have some incredible incentives for company car schemes. I get that that would not be for everyone, but they are doing something.