Complete victory by Japan astounded the world .
Seeing Russia’s spotty war record against an actual organized foe, Europe really thought a bit too highly of them even for THAT time.
I think it was a contributing factor for considering Pearl Harbor later. The difference was that the control of the Pacific wasn’t of enough priority for Tsarists. For US it was... different.
Yes it sent chills through all Western nations because the idea that some backwards Asian power could defeat a Western power was unheard of. I think though as traditionalist as Japan was, it was far more modern than the West gave it credit for.