Harry Potter is supposed to take place in a magical world that exists within our own world, unbeknownst to us non magical people or muggles. The wizards of the magic world, however, know all about the muggles and their world. That means, at the time the books are set in the 1990s, these wizards were aware of the real non magical world of the 1990s including the many muggle nations with advanced chemical warfare capabilities, high technology weaponry and access to bombs and bomb making technology. Britain, where the Harry Potter magical world secretly existed in the books, was one of those nations. Why, then, did no wizard ever think to use muggle weapons like bombs and guns to kill Voldemort and his followers? Voldemort would be completely unprepared to deal with, say, a series of bombs being dropped onto his lair as he meets with his top Death Eaters. Wizards can certainly die of normal causes like fires and explosions, right? Why did no one ever think to do this? Voldemort would have never seen it coming Also, in the books, the muggle prime minister was once informed by the magic prime minister of the existence of the magical world, and that a homicidal maniac wizard was running around using magic spells to slay people, not just wizards but muggles too. UHHH why does John Major who would have been the Prime Minister at the time not suggest that they use some of Britain's advanced weapons or its armed forces to perhaps ambush this lunatic and blow him to smithereens? Or call for help from his close allies in the US, with its even better oiled war machine ready to roll at any time? This makes no sense. Does anyone have an explanation? Is there some sort of wizard code against using muggle weapons? And please don't say it's a book, suspend disbelief. Hell no I won't suspend disbelief, if you wanna set your book within the real world then it better make sense in that context. PS. A few more examples why do wizards use owls to communicate in urgent situations, when owls presumably must takes days to deliver letters across the country world, and when wizards know of the existence of phones, using which they could instantly communicate with others? Why do they use quills to write when they know of the existence of pens?
The "Harry Potter" books make absolutely no sense if we are supposed to believe that the magic world where they are set exists within our own, real world.