Do subcribers increase other interactions?
That is a widespread practice many users have utilized to get their YouTube page to grow. That helps to build an online reputation that is important to bring customers into your business, even if your business is your talent.
After you start getting attention, it is up to you to keep providing valuable or entertaining content otherwise. You will lose all the hard work you put into building your subscriber base. The goal is to get to a point where you are getting your subscribers. However, until you can do this, buying subscribers can give you the help you need.