It would be useful to have all the facts in this woman's case. But as several posters have said, it is not at all simple to just get ILR, especially as the rules change frequently - especially since 2010.
I know tons of people with bureaucratic craziness stories around LTR. For instance, one friend's spousal application was turned down because it was on the wrong form - but they had actually used the correct form, it was simply that the HO/UKBA whatever it is had changed the forms in the months between when she submitted her application and when the UKBA got around to processing it. (That was one of the huge delay periods around 2009ish I think.) So they had to get a solicitor on it and the solicitor was able to get it fixed, but of course in the meantime she got a 'get ready to leave' letter and was terrified.
Also, once you apply for ILR or citizenship, you have to surrender your passport as part of the application. If you need your passport back before your application has been fully considered, you lose the £ you paid and have to start all over again. So if you've applied and then your parents in another country have a medical emergency, you're faced with losing lots of money, time, etc and starting over later, or staying here when your vulnerable family members abroad need you.
I was able to do same day service for ILR but that cost another several hundred pounds on top of the existing fees (over £1K just for me). One reason I did so was because I had experience of a previous visa extension being delayed, meaning I missed a month of work (couldn't start without visa) and thus a month of income. All the while I and my employer were trying to get through to someone in UKBA or whatever it is called now, with no response to calls, emails, etc. Strangely, things only began to move once an MP got involved. And whenever I went to the UKBA's home page to get information and possible contacts about my legitimate visa issue, I was faced with a big picture at the top of someone in handcuffs. Yes, that was one of the images at the top of the UKBA's web page. Not exactly a welcoming message to those of us legitimately and legally trying to make a life in the UK, contribute (including a lot of taxes!), just do what's right.
So before you assume that this woman had 'plenty of chances' to do things right, please realise that going through this process is expensive, confusing, and fraught with little bureaucratic gotcha clauses that change every few months and every step involves large sums of money. That was my experience as someone with financial resources, a good job waiting for me, an advanced degree, and native English language. It is anything but easy, and I wouldn't be surprised if a completely understandable series of policy changes, life events, and a lack of good legal advice tripped her up.