It felt like she was resigning herself to this outcome, but in truth this couldn't be better; no batpony on display equals no ruffled feathers or potential violations of Don't-Ask-Don't-Tell. Even if many of the ponies attending already knew about the sergeant being part of the Royal Engineer's entourage, it would have made sense that they might have gotten somepony else to work the demonstration. Part of the reason for Don't-Ask-Don't-Tell was because the Royal Guard and the Night Guard didn't mix too well.