The risk is contact, not neglect
In most premises the failure mode is work not done. In a technical space it is work done where it should not have been. A cable unplugged to reach a socket, a control surface wiped with a damp cloth, a monitor moved to dust behind it. Each is a well-intentioned action by somebody applying an ordinary cleaning routine to an unusual environment and none of them would be described as carelessness by the person who did it.
The remedy is a clear instruction rather than more care. Define what is cleaned, what is left entirely alone, and what may only be touched by your own staff. A provider who asks for that definition during the walkthrough is thinking about the risk. One who assures you their people are careful has offered a quality that cannot be verified until after something has gone wrong.
