[extheat]

Not talked about beyond heat is maintenance. When things fail, who are you going to send up to fix things? Is it never going to fail, or are they planning to throw away big components or are there going to need to be servicing missions?

[mosquitobiten]

any rack that doesn't perform well gets spaced out:) , that will keep the AI on it's ... uhm, toes

Most likely they'll just have a separate system to disconnect troublesome racks, once some treshhold is achieved the cluster will be replaced.

[atoav]

The answer is: they are either not competent enough to have had that thought or malicious enough to omit it.

Neither would want me to invest money into their idea.

[Veedrac]

There is literally a header in the pdf titled ‘Maintenance’ that answers these questions.