Features being Restricted or Nonrenewable in Peaceful

This is a problem for players on peaceful. Certain features being inaccessible or rare only in peaceful.

This is a worsening problem in Chaos Cubed that I noticed. As sulfer cubes only exist in peaceful by game design. That means anyone who uses mainly peaceful cannot have sulfer cubes as pets or part of the machines or games they make...

Bones and therefore tamed wolves/dogs are hard in peaceful sometimes.

Ender pearls and blaze rods which are needed for the end dont work. Meaning nothing in the end is accessible.

Potions which depend on blaze rods.

Heavy XP farms using hostile mobs, Gold farms are not possible unless you manage to find some other renewable way to get gold.

Gunpowder is not renewable which some people want for tnt and fireworks.

Slime which is needed for pistons.

You can get string by cobwebs or strider farms, or loot chests. Which is needed for tripwire redstone, used to prevent some blocks from growing, and used in bows and fishing rods (meaning dispensers are tricky).

No music discs unless you get them as loot.

Most of trial chambers, so maces and unique pottery sherds and armor trims.

No illagers meaning no raids for totems (people can still die in bad ways in peaceful...).

Ancient Cities are incredibly easy and cheatable.

The list goes on...

There are solutions to these that can work and make alot of these things renewable, bonemeal is in peaceful. Making ways to get certain items that are renewable but still requires work is a great way to access these features.