I feel like they would have been better off officially sanctioning the event and making a big PR stunt out of it.
In the meantime the Ikea near me is packed as it is and they're busy selling stuff.
Older refrigerators (50's/60's) had a locking handle
The only problem has been how to narrowly target this highly sought after group of customers. Because they are notoriously difficult to locate.
[1] https://up.codes/s/occupant-load see mercantile in TABLE 1004.1.2 MAXIMUM FLOOR AREA ALLOWANCES PER OCCUPANT, but note warehouse requires 500 square feet per person, which is about half the area of the IKEAs I'm familiar with.