If you install a patch outside the approved process on a single vxrail cluster node, if forces you to wipe all nodes in the entire cluster to fix it?

Has anyone ever heard of such a thing? A while back I was working on a setting up a new network, all new, nothing to migrate, it was a 3 node vxrail cluster and one of the nodes kept locking up, I had a similar issue on a vsan cluster just a week before and remembered there was a new patch from vmware that worked without any side affects on the vsan cluster, so I downloaded that patch and installed it the same way on this vxrail cluster, It fixed the issue and let me get back to my actual job of setting up AD etc...

\\Now I'm hearing that since I didn't use the vxrail method of installing patches on the cluster, that all the vm's have to be moved to a temporary cluster, then the entire vxrail cluster will have to be reinstalled from scratch.

All because of a patch that I installed, to fix an issue where both the patch and the OS are vmware approved, and beside the fact that the cluster node no longer locks up taking my vm's with it, I didn't see any adverse side affects. There was no warning when I was installing the patch, It installed just like it was supposed to (and how i've installed hundreds of vmware patches before vum made it slightly easier. I don't understand how something like that is not reversible.

Could you imagine if you did this on a 1000 node cluster?