I wonder, who would want to launch their own exchange that way? If you don't have a skillful team of developers and coders and a lot of capital to invest, you shouldn't even try. Even the most secure exchanges get hacked, so one should know this business inside out to begin with.
The reason being is to make it easier for businesses. Launching an exchange takes a lot of time, money, and effort. So we want to allow anyone to launch a crypto exchange with ease