Looks like a few different interested parties think the fixes don't go far enough.
FAA’s Own Engineers Say Proposed Fixes to Max Aren’t Enough
The NATCA comments include five separate recommendations. They range from relatively minor changes in emergency procedures to a call for what appear to be more extensive revisions to the plane’s cockpit alerting system.
Despite proposed changes to the plane, it would still be subject to erroneous warnings from a single sensor, the union said. “This design does not comply” with FAA regulations and could lead to pilot confusion, it said.