These Texture Packs are for players who get bored playing the default game with its textures.
Why Install Texture Packs? Why people tend to look for the best, especially since the year 2019 when the hype was much is because these Minecraft Texture Packs changes the graphics of the game, instead of using the default Minecraft graphics, installing texture packs will increase the graphics, make the game realistic, also the weapons you carry will be cool, the grass will be in HD, the players and enemies will feel more real and you get to see a brand new atmosphere in the game which makes you think you are playing a different Minecraft Game.