Hard Multi-Tenancy in Kubernetes

Just me or does this read like the proposed solution to move the security boundary from cluster to namespace is to have a cluster per namespace?

If you get blocked from the Google doc proposal, strip off the &#x2F;edit at the end.<p>i.e. <a href="https:&#x2F;&#x2F;docs.google.com&#x2F;document&#x2F;d&#x2F;1fj3yzmeU2eU8ZNBCUJG97dk_wC7228-e_MmdcmTNrZY&#x2F;" rel="nofollow">https:&#x2F;&#x2F;docs.google.com&#x2F;document&#x2F;d&#x2F;1fj3yzmeU2eU8ZNBCUJG97dk_...</a>