The phrase "real negatives" refers to situations, problems, or factors that are genuinely bad or undesirable. It describes things that have a truly negative impact and cannot be overlooked or dismissed as minor issues. Full definition
The only real negatives about the truck is that the trunk is a bit small, and there's no third seat in back. (autolist.com)
It was a 10 - 15 minute walk, and I'd say this is the only real negative about the hotel: it's just not convenient to any metro stations. (travelcodex.com)
They had real negative effects and the people of the state were suffering. (syracuse.com)