EV's even with subsidies, incentives and penalties to ICE vehicles being applied are still on encroaching into ICE vehicles at a slow rate.
If they are so good, they'd be selling like hot cakes without needing subsidies and incentives.
ICE vehicles will be on the roads for decades to come.
ICE vehicles will still be made up until 2040, maybe longer as as stated by another, there is a push back by manufacturers to transition so quick. The uptake of EV is slower than hoped by governments.
Average age of cars on Western nations roads is 10 to 12 years. In some countries the average is rising.