re: A summary of what happened today with GME and why securities were restricted

The analogy I would use is from the strategic bombing campaign in WW2.

The allies didn't just bomb factories at random. One of their prime strategic targets were wait for it... ball bearing factories.

Something most people would never even think of, but turns out the Germans couldn't make a number of key platforms without significant numbers of ball bearings.

Think of it as a tiny lynchpin, which in and of itself seems insignificant, but taken as a part of an incredibly interrelated and complex command economy helped bring the nazi war machine to its knees.

I think Reddit found a gap in the functioning of the system that having nothing to do with gamestop in particular threatened to take the entire machine offline temporarily.