Why are so many modpacks bloated?

Hey, so I tried some of the modpacks, for example Dawncraft, RLCraft, Souls-like packs, and one thing I took immediate notice of is how random and bloated they are. I start mining, and suddenly see 3 or 4 different ores for silver, same for copper. All of the drops have the same name, for example: raw silver, but they are different instances of they same item, with different look. 3000+ mobs spawning outside of my house in the night, some of them as random as big chungus rushing into my base. 7 different armor mods etc.

I am just wondering what is fun about that, when you could have pretty much the same, but less "bloated" experience without 100 mods adding the same things. I'm not making fun of anyone or anything, It's a genuine question.

https://redd.it/1m4ohg1
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Which Fisk superhero or supervillain is your favorite? I'll go first -
https://redd.it/1m4wnc2
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Weird death message
https://redd.it/1m4y0yb
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D1 Class Personal Spacecraft: Alphecca-993B

https://redd.it/1m504h1
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How to start modding

I was thinking of making some Minecraft mods (Java, 1.20.1) but I've never tried or come close to making a mod or anything like that so I'm a complete beginner and it looks so hard lol, But I know programming in C# so I wonder if it would be hard to learn Java and if I can have some tips on how should I start?

https://redd.it/1m51mm0
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"Item rollercoaster" - a modern solution for when your naughty buildcraft pipes are spitting items

https://redd.it/1m52ool
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Bottling machine won't accepts either fluids in the input (bucket of phenolic resin for duroplast) nor the metal press mold
https://redd.it/1m52ize
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