Not much different than the Obama ATF saying cant shoulder an arm brace, but then they said never mind that's ok, oh but Obama's ATF said 3 different times bump stocks are good 2 go, Trump himself is telling the ATF to change their minds
http://www.thefirearmblog.com/blog/2018/05/24/oal-brace-folded/
http://www.thefirearmblog.com/blog/2018/05/24/oal-brace-folded/