I can sympathise. It’s frustrating when people don’t pay a minimum of attention and jump to reactionary conclusions to criticise something good as being bad because they didn’t care enough to do a minimum of effort to understand it. Even more so when said misinformation becomes widespread.
But “super cores” is a stupid name, and I agree that reusing “performance core” to mention the different type of core will be confusing. Change the names if you must, sure, but at least make them good and sensical.