He specifically mentions performance many times but has no statistics to back this up. I have created a web app with Angular and it runs fine on old Android pho

He specifically mentions performance many times but has no statistics to back this up. I have created a web app with Angular and it runs fine on old Android phones and iPhones. We don't see any performance problems. Of course YMMV but he/she makes it should like the performance is a really big problem that everyone will get affected by which I thinks is wrong, most apps won't have any major performance problems.