Yes
Yes
The agents do not want the athletes negotiating with meets as it would hurt their value or credibility. Agents want absolute control. If appearance money is in the mix they get their 10%. If they have a super star they can broker the star to help get lesser athletes a lane.
The contracts are standard at the shoe companies , they have been gone through with fine tooth comb and built to protect the company , nothing gets changed. About the only thing that may be changed is term length.