Ramp Seismic Impact cant stun

[🐸bod14k🐸]

Here's the video. Happened during this game: ID 37476076.
I can clearly see that this Bebop 100% supposed to stun (he even got an animation) but I've still missed this somehow.
How?
(Sorry for the RUST video sound in the back -_- )
View attachment Deadlock 2025.07.01 - 18.57.48.01.mp4