As a more general observation, it's hard to comment on this row without having some idea about the local office politics. These, of course, tend to be dominated by jockeying for power/status/prestige and not by discussions of effective teaching methods.
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
Notes for future OT posters:
1. Please add the 'open_thread' tag.
2. Check if there is an active Open Thread before posting a new one. (Immediately before; refresh the list-of-threads page before posting.)
3. Open Threads should be posted in Discussion, and not Main.
4. Open Threads should start on Monday, and end on Sunday.