Is Alex's Mobs really that bad performance-wise?

I’ve seen a lot of modpacks without Alex’s Mobs that use Naturalist Lite and/or Critters and Companions instead.

Is Alex’s Mobs really that bad performance-wise? I’ve read a few complaints about whales breaking blocks, but you can just disable that or turn off their spawning entirely.

https://redd.it/1sjfen3
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Terrain generator im working on

https://redd.it/1sjhte2
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Config: JSON vs TOML vs ???
https://redd.it/1sjiydt
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Gregification of the minecraft
https://www.reddit.com/gallery/1sjldgn

https://redd.it/1sjnz87
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When i hit f3, i get this for some reason.... i just wanna know biome info ;(
https://redd.it/1sjqbfc
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flowerbed recipe
https://redd.it/1sjrnv9
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Lavender Wizard Tower

https://redd.it/1sjru9z
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What is this and why did it get rid of the Debug Screen?
https://redd.it/1sjwtdq
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Refined Storage v3.0.0 released for Minecraft 26.1.2
https://www.curseforge.com/minecraft/mc-mods/refined-storage/files/7918937

https://redd.it/1sjx5my
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The Rift (Terramity v1.0 sneak-peek)

https://redd.it/1sjsfsq
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NOT A MEME MONDAYS ARE NOW LIVE

WHILE THIS POST EXISTS, NON-MEME POSTS ARE NOW ALLOWED. EVERYONE PANIC

https://redd.it/1sjzj77
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I'm Making Create-Mod Style Ponders for As Much Stuff in Vanilla Minecraft as I can, What do you think?

https://redd.it/1sk2ulw
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This mod alone rewrites history.
https://redd.it/1skakmr
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