In the UK (and most other places with fairly strong employee protections I imagine) it becomes pretty difficult to get rid of employees once they've been around for a while. Often involving a lengthy "managing out" process. Given this, it's common for a 3-6 month "probation period" when starting a new role in which you can be dismissed fairly arbitrarily. This makes sense given the commitment taking on an employee re…
I hope she finds something else quickly but many companies look for any red flags as sufficient reason not to take the risk. This kind of experience has real implications for a person's future prospects, at least for several years.