Hmm, as I've seen topics like this[1] for EAC, though a comment from a different result[2] mentions EAC can be configured to optionally block VMs so maybe it varies by game.
> Today, I purchased and installed Dead by Daylight with the intention of playing with some friends, only to start the game and find a message from Easy Anti-Cheat stating that the game "cannot run under a virtual machine."
You are right. I've heard similar stories about BattlEye in the past which I assumed might just have been a decision they've reverted since but could've very well been an option up to game devs to enable. Thankfully not many of them do seemingly.