There are trade-offs to both extra batteries or an ICE engine to drive a PHEV.
There is no one-size-fits-all, so people will have to evaluate which solution they prefer on a case by case basis. EVs are often (but not always) the better solution, and the market agrees with this on both number of models available and number or units sold.
yes, extra battery capacity does not require extra maintenance or fossil fuel like an ICE engine does.
There are trade-offs to both extra batteries or an ICE engine to drive a PHEV.
There is no one-size-fits-all, so people will have to evaluate which solution they prefer on a case by case basis. EVs are often (but not always) the better solution, and the market agrees with this on both number of models available and number or units sold.