To tough titty means to have no sympathy for the situation another person is in, but in this context the speaker feels bad for the people in power if their plans don't go well.
Context: "If that didn't go well with the plans of the people in power, then I feel really bad for them and their situation." Claim: "If that didn't fit in with the big boysplans, tough titty."
Considering the context, is the claim true, false, or unknown?