Its certainly not a fabrication that some earn more than £100k but there are not that many jobs that pay over £100k. We shouldn't forget though that the article was about a joint household income of £100k.
Out of my immediate friends who earn £100k or more for one job they are:
Myself - Self employed lawyer so no pension contribution but I earn over £100k which offsets this.
DH - lawyer (partner). Self employed so no pension contribution.
Friend - lawyer (partner). Self employed so no pension contribution.
Friend - consultant psychiatrist
Friend - consultant cardiologist
Friend - consultant oncologist
Friend - consultant (something to do with forensic medicine)
Friend - dentist. Self employed so no pension contribution.
Friend - PR specialist (runs own business). Self employed so no pension contribution.
Friend - owner of a property development business. Self employed so no pension contribution.
Friend - Very senior management in a university
Friend - Head teacher
Friend - Hedge funds (most highly paid)
Friend - owner of care homes. Self employed so no pension contribution.
There are more but it gives an indication of the types of jobs. In my work I deal with employment issues and so I see which roles pay six figures. It's generally senior management in international companies, very senior management in very large UK companies and business owners. I know probably hundreds of lawyers. Most outside of London don't earn six figures. Average is probably around £60k for a senior associate role (mid level just below partner). I also know lots of doctors who don't earn six figures. It's the consultants who do, particularly once they take on the private work.
Friends where there are two consultants in the family seem to be doing very well, particularly given that they also have amazing pensions. These are the ones who can easily afford to ski every year and have an exotic foreign holiday or two, have beautifully decorated homes, designer clothes, posh cars and children in private school. Their family income is £200k+.
I know a disproportionate number of people who have jobs that pay more than £100k because of my profession and the fact that my DCs are at an independent school. In each of my DC's classes more than half the children have parents who are medics.
Might need to NC after this!