With the geographic barrier to entry being removed, the diversity and sheer quantity of the application pool increases. These qualities of the application pool allows a team to select individuals best-suited for a position. A very important group that can potentially enter this workforce is the economically disadvantaged that can otherwise not afford to relocate and pay upfront living expenses while working unpaid.
You've worked hard to get this opportunity and you want to make sure you get the most out of it. During the remaining weeks of your internship, think of this opportunity as a chance to "try on" a new role, or possibly several new roles if you're given the chance to rotate through different areas of the organization.
Had you never fired me, I'm not sure that I would have made the changes necessary to perform well at the following summer's internship in public relations (yes, someone else actually hired me) or, really, any of the professional endeavors which followed. Failing my first internship taught me many things.