• Brainly User
One of the big reasons has little to do with the movie but how movies have changed in style. If you compare old movies to new you will notice that old movies have scenes where one character may say several lines of dialogue where now the dialogue is shorter and sharper. It is the same with edits as modern movies tend to have an edit every 3 or 4 seconds where older movies the time in between were much longer often going for 20 seconds. That leads me to the camera because in the really old movies the camera tended to be stationary where now of course they move around a lot more. 

What this all equates to is that modern movies are made so that something is always happening so that it commands your attention by chopping and changing. Where as old movies would command your attention with long periods of dialogue which relied on actor to command your attention for the whole period. 

And that is why a lot of people find old movies boring because they are so different in style.
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Old movies are very boring to the modern generations such as me and you. But to our parents, grandparents and great grandparents, they are a great source of inspiration and passion. But there are some super duper hit movies that are even exciting to watch now. But the main point is that the modern generation do not like old movies because they think that the music and dance styles are old, the hero and heroine in the movie look very old fashioned and that the black and white movies have no storyline.

As the modern generations have seen SRK and Deepika Padukone, Lungi Dance and Chennai Express, they don't know the magic of Amitabh Bachchan and Hema Malini, Jab Tak Hai Jaan and Sholay;))))) 
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