"If-else rule-based systems" aka expert systems are an example of symbolic artificial intelligence e.g. "Good Old Fashioned Artificial Intelligence". Just because it doesn't use the newest most trendy methods doesn't mean it isn't AI, and even if you object to applying the AI label to these kind of systems, these systems are nevertheless valid targets for regulation.

"Good Old Fashioned Artificial Intelligence" - https://en.wikipedia.org/wiki/GOFAI

"In artificial intelligence, an expert system is a computer system emulating the decision-making ability of a human expert.[1] Expert systems are designed to solve complex problems by reasoning through bodies of knowledge, represented mainly as if–then rules" - https://en.wikipedia.org/wiki/Expert_system

"Symbolic AI used tools such as logic programming, production rules, semantic nets and frames, and it developed applications such as knowledge-based systems (in particular, expert systems), [...]" - https://en.wikipedia.org/wiki/Symbolic_artificial_intelligen...