What makes Buffet a financial genius is exactly the fact that he likes boring companies, as he himself acknowledges. So, there is certainly a lot to be learned

What makes Buffet a financial genius is exactly the fact that he likes boring companies, as he himself acknowledges. So, there is certainly a lot to be learned from Berkshire Hathaway, but while it is not a traditional bank or insurer, it is most certainly a company that only invests in boring, profitable businesses.