These and others are all things the current administration has reversed and is almost certainly playing a huge role into why things have gotten so bad.
Seems I remember Republicans going on and on about that to this day. Fast and Furious something?
The Obama admin was responsible in "the buck stops here" sense, but this wasn't about admin policy.
It started in 2006 under Bush and continued under Obama.
It started in 2006 under Bush
This information is readily seen by anyone who actually clicks the link.
Regardless, the facts are not political no matter how much you may want to make them. The initiative began under the Bush admin and continued under Obama. Arguably, neither had much to do with it as it was mostly the work of the ATF and its leadership.