Not saying we shouldn't be concerned unless this can happen to us, but a brief google turned up these[1][2]. I didn't find many stories that started out as professionals, apart from someone who did law at university then couldn't find a job. But the stories are interesting. Might have to dig out my book which is somewhere at home.
[1]http://www.oxhop.org.uk/ourvoices/mystory/
[2] https://www.mirror.co.uk/news/uk-news/how-one-woman-went-pro...