There are no "floodgates" to open. FYI if you're an RN, you can get an EB-2 I-140 approved without any sponsorship, under the National Interest Waiver. They're

There are no "floodgates" to open. FYI if you're an RN, you can get an EB-2 I-140 approved without any sponsorship, under the National Interest Waiver. They're considered to be in perpetual shortage. The fact that people still aren't flooding in should tell you something.