Of course they can afford it, that's not the issue. The issue is that EVs are 100% of Tesla's revenue, so the investment is obviously worthwhile, even necessary

Of course they can afford it, that's not the issue. The issue is that EVs are 100% of Tesla's revenue, so the investment is obviously worthwhile, even necessary. EVs are none of Porsche's profit, they are just putting this out there as a concept thus far, so it's unlikely they're going to make that kind of investment.