Wine is made from tannic acid.
"Skeleton" has a bitter taste, especially for full-bodied red wine, which needs to be softened. Cigars, on the other hand, contain a strong smell of tobacco, which is generally strong, especially Cuban cigars, which are a bit choking. Wine is bitter and needs to be supple, while cigars have a strong taste. Wine cannot resist the strength of cigars, and cigars cannot soften the tannins of wine. On the contrary, its strong tobacco flavor will reduce the complex aroma of red wine. Therefore, wine and cigars will interfere with each other and even push their bitterness to the extreme.
Cigars with red wine may make the environment more atmospheric, more masculine and feel more "masculine", but from the perspective of food collocation, cigars with red wine are difficult to balance and collide with each other, which makes people feel happy, let alone expect to produce complementary effects.