Your assertions seem to be based on your perception of attorneys and frivolous litigation. I'm not a lawyer. I don't know any lawyers personally. In the few instances in which I have had dealings with lawyers professionally, they have always been straightforward and honest with regard to the law. Assume for a moment that the atty of the family in question has honest intentions, and then view the case dispassionately. It doesn't appear to be so frivolous, does it? At the least, the breach of contract charge seems to be worthy of argument.
My father is an attorney, I worked extensively with contracts and attorneys in my previous life (before I had children and quit to stay home with them), and I know many, many attorneys.
Of course there are many attorneys who are honorable. My opinion is that the majority of lawsuits such as these are about money, and nothing else.
And again, I must point out that huge corporations have the best attorneys money can buy. I cannot believe that there would be a breach of contract, because no atty at that level of practice would be so negligent as to leave their client at the mercy of a single person.
Yes, I do most certainly believe this is a frivolous lawsuit.