Germany: shock
Cyprus: anger
None had any discourse around what the PISA scores measure and if there's any problematisation warranted around the methodology etc. So, in the end, it just serves as a regular outrage topic for the news cycle, but because no-one understands what the scores mean, no-one can do anything about them.
One can hope that the store operators will also be heavily fined for their apparent failure to protect their customers' information from infosec threats. Show them teeth, GDPR.