Case T-465/20: Judgment of the General Court of 19 May 2021 — Ryanair v Commission (TAP; Covid-19) (State aid — Portuguese air transport market — Aid provided by Portugal to TAP owing to the COVID-19 pandemic — State loan — Decision not to raise any objections — Point 22 of the Guidelines on State aid for rescuing and restructuring non-financial undertakings in difficulty — Company belonging to a group — Intrinsic difficulties not resulting from an arbitrary allocation of costs within the group — Difficulties which are too serious to be dealt with by the group itself — Duty to state reasons — Maintenance of the effects of the decision)