Without Jameis falling on his face first for the fanbase to see then Taysom will always be held to Drew Brees' standard. A standard New Orleans fans only think Jameis, the back up who isn't getting a shot could meet.
Things will get messy. Let Jameis start. If he succeeds then good on him. If he fails then Taysom can takeover and nobody can complain because Jameis got this shot.