This is nothing new. This EO has been around, in one form or another, since at least the early 80s. It’s standard.
I think the thing that freaks everybody out is that Obama has a track record of taking more or less innocuous things and using them as an excuse for or normalization of another power grab.
A lot of the NSA stuff was pretty harmless - because we didn’t think it was gong to be abused. But under Obama, it was.