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General advice is nonsense anyway, nobody knows here what the respective beginner is looking for with a camera. In most cases, people are actually not interested in photography, but in a possibility to simply take beautiful photos. Any learning curve is too much for them, except to attempt a particular shot several times. Truth to be told! Contrary to the expectation and urge of the beginner to have a camera, a mobile phone is the best advice: it means no effort, being small in size and comfy to carry all day, taking pictures can be/is the secondary matter but available as soon as you decide to take a shot.
Let me try to give you some insight why people recommend professional but old gear for someone who wants to seriously follow photography. It's not in bad-faith and people would recommend new gear if money wasn't a trade-off to make.
As a committed photographer, I make a clear distinction between my cameras: I have leisure cameras that are supposed to be a little better than my mobile phone, but may be a little less flexible, but most importantly don't force me to take a lot of equipment with me. I replace such cameras almost like my underpants, sometimes I have several, even several with me at a time to still keep options on compromises, and I am never really satisfied here. On the other hand, I have an old DSLR (just because I got in early, could be more modern or a high-end modern mirrorless) that (again only referring to my old camera) only offers a basic stock of goodies that I still like to use it as a leisure camera, but this is my camera for the real purpose of photography. It is responsive, fast, robust, adjustable in granularity with settings and system options. In particular, it is not a camera that has lack of options regarding the central part of shooting, or that has a shutter release or operation delay, or that offers key settings only behind several clicks, or that has too much freedom in the automatic that I cannot limit.