How much will BRK drop in value (%-wise) and will it be a buying or a selling opportunity given a 5 year time horizon? IMHO the stock drops a minimum of 5% and a maximum of 15% and the legacy is OVER. Time to sell, maybe even sell within the next year or two..
Did McDonalds collapse when Ray Kroc died? NO. Did Walmart collapse when Sam Walton died? NO. And neither will Berkshire. If anything, a pullback on Mr Buffetts withdrawal from the business, wether by death or retirement, will create a buying opportunity that I'm sure he wished he could take advantage of.
None of those folks made money by being the CEO of an investment holding company (there's a big difference - which is why Warren does NOT manage ANY companies he owns or invests in, he realizes its a completely different skill set). Also, I did not say BRK would collapse, just not fair nearly as well under a different investment team (they simply don't have the clout and yes clout is what Warren relied upon to land the big deals in the last 5 to 10 years).