Yet you avoid the point of that any company with,
Post# of 43064
There is no wise fiscal or business reason to spend upwards of 99% of that cost (400-500 million as you suggest) to buyout a small unproven and unprofitable company.
The technology can be replicated far cheaper to any business entity that chooses to enter this field.
Machine sale possibly, buyout for a few million and pennies per share possibly, but for 400-500 million never.