Ended up downloading a mod to make her one. Have never heard of this glitch, but it accidentally fixes a serious error. The creator of this mod could have settled for a couple extra lines in the dialogue that allowed Sydney to follow the player mindlessly, but that wasn't enough. Fallout Wasteland Edition does this to accomodate some of its features. While adding Sydney as she is to Phalanx would be Molly cavalli escort
dream-come-true, to do it would be a huge pain in the rear, and ultimately would clash with a lot of the content I've created for her.