It doesn't matter what the West likes to call it; they make up these names for when they don't like what China's doing. It's down to the simple principle of not buying things from people you don't like. Everyone stays within their rights.
You forgot about the "" that China demanded of SK as precondition for restoring ties.
- - No additional deployment of US THAAD
- - No participation in US-led missile defense network
- - No involvement in trilateral military alliance with US and Japan.
- - Restriction of the use of THAAD batteries so the system's radar cannot be used against China.
This is coupled with the threat of economic retaliation if South Korea continues this trend of siding with US containment against China. The boycott of Lotte was just the beginning.
For someone who claims to be "Morally Upright Chinese", you can cherry-pick your narrative of what is "bullying" as if it's not coupled with political end goals and geostrategic objectives.