It's not a bullet the Saints have to bite. You and some others think it's a bullet they have to bite, but it isn't.
Even Triplett acknowledge that Moore genuinely wants to roll with Carr. Moore doesn't seem to see it as being stuck with Carr by inheritance. He seems genuinely excited to have Carr as his QB according to Moore and some of the beat reporters.
The people who share your opinion of Carr seem to be in denial about the fact that Moore is glad to have Carr as his QB.