This is not totally true. When you say the only way he can 'get anything done' what you really mean is anything Democrats want. Whether its helpful or not.
Lots of things can be done. Every Republican supports funding schools to improve entry exit and lockdown technology. Adding Resource Officers. And training willing faculty to conceal carry. Many even support the moving of gun purchase from 18-21.
There are clearly lots of things Republicans are willing to do and other things some will consider.
Well it sounds like you are in agreement with the Republican
@mat was a talking about. That this is a political stunts.