Did dair spike?

[Aeropup]

6:16 in this vid.

Did dair spike? It didn't look like a stage spike, nor bad DI. I remember reading somewhere here that dair was tested and confirmed not to spike, so I'm confused.

 

[Babar-Thorbald]

Wow! that's weird.
It looks like the spikes you can make with some D-tilts, such as link's one.

 

[Staco]

The ddd gets stage spiked.
He hits the stage and then he goes downward.

 

[Affinity]

He got stage spiked. Watch closely; it happens very quickly.