While you found that the ritzy cars, not only the traditional ones like BBA, are everywhere in Taipei city, you would also notice the concomitant increase in motor cycles. One of the root causes of the widening gap between rich and poor may be the devaluation of college degrees because of the wrong education policy. Please see the following report:

https://user.guancha.cn/main/content?id=1093017 

PS: "Some human resources in Taiwan may think what high schools the job seekers are from is more significant than their college degrees." That is one of the responses to the video.