“We don't know how much a company is worth if it is expected to be immediately destroyed upon purchase.” That’s what you wanted to say. Better, you could have

“We don't know how much a company is worth if it is expected to be immediately destroyed upon purchase.” That’s what you wanted to say. Better, you could have lead with a question, “Why would someone buy a company at a huge premium if doing so immediately destroys the value upon purchase?” Let’s try it out.