Increasing price five-fold and losing three out of four customers still means you come out ahead revenue-wise, and your internal costs probably go down as you have so many fewer customers to support
You're talking like two years is long term...
For the current Broadcom leadership this doesn't have to be sustainable, just bring in enough of a profit to justify the whole thing. They do not want a slow and steady profit stream but a big squeeze and done. I bet they got what they hoped for.
but i think the 'eventually' is the reason this is working for them