I feel very sorry for the lady as she obviously worked very hard to become a UAL captain in the first place and people do have emotional overloads, like it or not hormonal imbalances can amplify those for the fair sex more than men sometimes.
A few things puzzle me
1 Only 20 Pax tried to contact UAL about it
2 How on earth , with all the security today, did she get on board sans uniform, said garment normally festooned with Corporate logo, rank stripes various IDs and passes
3 No one in crew room, crew bus, despatch, etc etc saw any odd behaviour
Bizarre incident all round, comments about Trump and Hilary though would suggest that she is certainly not wholly insane