I agree that the use of "fun" here is a little demeaning. I also think, however, that the overall point here was totally valid - you are your own best advocate

I agree that the use of "fun" here is a little demeaning. I also think, however, that the overall point here was totally valid - you are your own best advocate, and you can't trust other people to hand you interesting work. Being handed menial, boring tasks is much more likely.