[user5994461]

Not at all. Just running a normal computing grid consuming any CPU resources that's available. It was for scientific simulations for a research center, think of something like weather forecast.

Clearly, Digital Ocean didn't want to serve that use case. They don't want customers to use all the resources that they are paying for. They're probably under provisioning power and cooling by a large factor.

[repolfx]

Or they thought he was running cryptocurrency mining and the bills might bounce.

[h1d]

Does their term tell you not to max on capacity?

Otherwise DO gets sued for unfairly threatening.