Answer: No, not if the owner is left with the impression that the consortium is still fully qualified to perform all the required tasks
Step-by-step explanation:
The purpose of a team is to work together, when the lead person is not involved the team may not be able to coordinate themselves to carry on with the task. Considering the project, dropping one of the consortium member with the best skill would be a turn off for the deal. For the team to do well, they need each other, especially the lead or most skillful, not including this in the deal is a loss already