Loreen Tattoo plagiarism x Pont Aeri x ABBA x Mika Newton - So similar compared to these songs?

Why is Loreen’s tattoo so similar to these songs? Is Loreen allowed to compete in Eurovision with accusation of plagiarism? What do you think? Loreen’s Tattoo Pont Aeri’s Flying Free ABBA’s The Winner Takes It All Mika Newton’s V plenu