Why can ACLs give a false sense of security if overly relied upon as a network security technology?

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Why can ACLs give a false sense of security if overly relied upon as a network security technology?

ACLs can be applied to network interfaces in one direction only.
ACLs only log denied traffic, not permitted traffic.
Packets are permitted by default when ACL statements don’t match.
Attackers can determine which IP addresses, protocols, and ports are allowed by ACLs.