Abu Dawood 4195 – Is Having Military Cuts Or Burger Haircuts Haram?
Hadith cannot render anything haram unless it comes under the broad categories of forbidden things in Quran and sunnah. Principles of understanding hadith can be read here. Discussion 56230 Reading one hadith on a topic is not a good idea to drive conclusions as that hadith may lack context and background and details. Here is another hadith which give detailed account of hadith https://sunnah.com/bukhari:5920 From this hadith its evident that soldier cut or burger cut is not included. Though specfic reason is still missing. Generally these kind of advise was given to avoide pride and religious symbols or imitating kuffars. Sometimes prophet saw advised according to his personal liking too. Hence, any haircut which causes pride or just to imitate a kafir, it will not be allowed. Following liking of Prophet saw is much appreciated but cannot be considered haram