Why would you even think that surgical robots have to be like an aircraft producers. You can't just purpose your belief as a fact because it isn't. Boeing manufactures all its own parts unlike car industry. Why wouldn't you compare aircraft industry to car or truck industry then. Just because you picked up the most expensive product does not mean that is a valid comparison. Surgical robots are not crashing and airworthy either.
How many surgical tool providers are there? 1000s
What you demand to be the way healthcare suppliers to be, locked up by few companies is not the reality on the ground and it can not be a functional reality either because there is vast competition in healthcare.
If you are an ISRG stock holder then too bad, it is not going to stay the same. The big guys will buy out the smaller guys but no one will own the whole market because they can't supply the whole world.
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