“Because they’re building something else.”  The old woman appeared out of nowhere in the middle of the group of teens and twenty-somethings.  “The virus overwrites an Avatar, boots the user, and replaces it with a massive AI module.”
“What happens to the user?” Paulo asked
“Forced to log out, but it’s an unsafe boot.  Somewhere between ten and fifty percent will suffer acute Boot Syndrome.  Midas hushed up the figures about the problem.  It’s why I quit in the first place.”
“I’m sorry, who are you?”  Nora asked.
“I’m The Cat Lady, and I believe you have something of mine.”