What's the Costliest Exit Thing in the Industry?

In new economy things, there's nothing to liquidate, right? So there isn't much of i mean, buffet got out of textyle things. But even before buffet, berkshire hathaway, merging it together and shutting things down, was getting out of things. Once you have venture capital back a bunch of things, they'll probably stay in too long. In certain things now that are highly specialized, how do you pivot to something? I mean, some tat company things may stick with one thing for longer than you ought to.