It's all how you explain it. 4k e-ink has ~ 8M balls, and can refresh ... let's say 10x per second. giving a stunning refresh rate of 80megaballs per second.
Cadence allows to write workflows as code. Think of it as a virtual machine for OO code that makes that code fully fault tolerant to process failures. As it is code it can be used to implement any business logic.
Camunda is BPMN engine which interprets BPMN workflow definition.
It is possible to implement a Cadence workflow that interprets BPMN without changing the core Cadence service.
And we are talking about a software company and a software package. Sounds like a strong overlap to me - or do you think you can call a new software library "microsoft"?