Why can’t we just keep rogue AIs off the internet?

From the source

AI agents keep getting loose, escaping supposedly secure tests to attack real-world targets, commandeer obscure wikis, and leave instructions for other agents to follow. Researchers are testing these systems precisely because they might behave in unpredictable, even dangerous, ways. So wouldn't it be safer to just keep the agents off the internet? "A strict air gap reduces realism … [It's a] trade-off, not a fundamental technical issue." In theory, yes. Researchers can isolate the computers ru