I answered this question a few months back in a similar thread, so I'll skip the question and refer you to the
previous thread.
But I will reiterate a point I made in that post. Before you accuse any team of having a robot where the sponsor does all the work and simply hands the bot to the students, make sure you get your facts straight. Don't believe what you hear from others; talk to members of the team in question. In most cases your sources are mistaken. And remember in large teams some students never touch the robot because they work on other aspects of the team (fundraising, animation, chairmans, video, etc). If you talk to the wrong person you could get the wrong impression.
As a side note, any team where the students see the robot for the first time at their first competition will not be a contender for the sole reason that the students don't know how to operate it. Any team who operates that way cheats their students out of inspiration, learning, fun, and a chance to succeed in competition.
Mike