Yes, unless you live in a place that really has authentic Chinese food (and there are so many different kinds). And how do you really know it is? So the answer

Yes, unless you live in a place that really has authentic Chinese food (and there are so many different kinds). And how do you really know it is? So the answer is almost always: certainly. Especially if we talk about Sichuan food - very hard to find the authentic stuff imho.