Berkshire finally spending cash? Or just spending the interest?

Every time Berkshire does something with its cash, the internet acts like Buffett or Abel finally hit the buy button after years of sitting in T-bills.

But if the cash pile is earning a decent yield, they can spend the interest and still keep most of the optionality. That's less dramatic, but probably closer to how a giant balance sheet actually works.

So what are we supposed to read into it? Are they seeing better opportunities, getting more aggressive, or just using cash flow that was already there?

For $BRK.B, would you rather see a big acquisition, buybacks, or management keep waiting? I don't think there is an obvious answer?