SCMP: ‘On Tuesday morning, EU officials entered the premises of the Dutch and Polish subsidiaries of a Chinese company involved in the manufacture of surveillance equipment, sources familiar with events said.…they accessed the ICT system and staff phones’ scmp.com/news/china/art…

I think this pushback by China gives insight into how they see the world, and is a classic case of mirror imaging.
For MOFA today and whoever wrote this, arrests like this in China would be calculated to send a message or to make a point, therefore that’s what happened here too.