User blog comment:PitaKang/FANFIC! :D Muggles vs Wizards!!!!/@comment-3218619-20120823185137/@comment-1630894-20120823231630

The Wizards know several things about the Muggles that give them advantages.

1. They know if their existance. For the Muggles, there will be widespread hysteria at the discovery of wizards and magic. The Muggles will have no idea of the limits of magic, the number of wizards, any magical creatures, etc. A few impressive displays of magical strength could very well be enough to convince the surrender of many muggles.

2. The Wizards know what is going on in any conflict. The Muggles would have to contend with invisible beings like Thestrals or Dementors that the Wizards could use, while the Wizards will be able to at least see anything the Muggles have against them.

Also, I think you underestimate the level of ignorance of Muggles among wizards. For example, I am sure a few very intelligent and well-learned people like Dumbledore would enough more about Muggles to be able to strategize against them. Furthermore, there are many Muggle-borns, parents of Muggle-borns, the rare Harry-like people who have lived with Muggles despite not being Muggle born, Muggles married to wizards, and Squibs who live among Muggles like Mrs. Figg who would have working knowledge about the Muggle world.