She doesn't really have it in the neck slot like Brett though, but like you said if she starts it early enough I guess it could work. I mean it is working although I have no idea what level of pitching she is facing in Canada (no offense @julray )
I originally was going to 'bash' this hitter(drop bat level and swing) but, the more I look at this swing I can see how it might work. Not my style but, as long as hitter starts early it works. I see it no different than if a hitter just started with the bat on their shoulder(Brett comes to mind). The test will be against faster pitching, as with any hitter.