No one's talking about taking that option away. All I'm saying is it should be an explicit option. When you initialize the library, you can pass a parameter. Or

No one's talking about taking that option away. All I'm saying is it should be an explicit option. When you initialize the library, you can pass a parameter. Or set a feature flag. Or whatnot. If you're writing a spreadsheet, use a fallback to CPU. If you're writing a glitzy animation, turn it off.