There are no term limits for steering council members, assuming they are doing the job adequately the core team can just let them continue in their seat.
Giving a moderately frequent way to change up less-than-stellar-but-not-malicious council members without a no-confidence vote is a Good Thing (TM).
Giving a moderately frequent way to change up less-than-stellar-but-not-malicious council members without a no-confidence vote is a Good Thing (TM).