Defect means unsafe, not broken
Article 7 states the test: a product is defective when it does not provide the safety that a person is entitled to expect, or that is required under Union or national law.
Two words carry the weight. Safety, not quality. And a person, not this person.
Safety means the regime is not a warranty. Software that crashes, loses work, corrupts a document, or fails to do what the brochure promised is not defective merely by being bad. It becomes defective when it fails to be safe. A contract claim handles the rest.
A person means the standard is objective. The court asks what the public at large is entitled to expect of a product of this kind, not what this claimant happened to assume. A user who expected a consumer drone to be crash-proof gets no help from that expectation being unreasonable.
The second limb matters too. Where Union or national law requires a level of safety, falling short of it is defectiveness by definition.

