Then people have the nerve to really say the fees are just higher when I send more bitcoin, NO its because the more change address your bitcoins were spread across the higher fees your gonna pay getting them all sent where you want vs them simply being in 1 address.
At this point, i'd just point you to this article
https://learnmeabitcoin.com/beginners/outputs which include this image,

All for this to not even truely improve privacy, every transaction I still can see on the blockchain. I see all my "changeaddresses" and where my funds went, its just messier, harder to track is all.
I think you might understand if you look for random Bitcoin transaction and attempt to track. For example, transaction
https://mempool.space/tx/ebb24906ca8ed5376a743390c4d9e9883d0b480a0dae909a8a4690c38c497420 have 1 input and 2 output with following detail,
Input address
bc1qf27lj3m4dhtwd8nvujf45l42hphum48n3czncd (Address A)
Output address
bc1qlq4f3qdzk37n8jehyqc9t4f62jmk9wuamv42g7 (Address B)
bc1qnmmgm0l0ulu38k0s0d04y04z09lpcj2e5yqyvs (Address C)

Here's my question, owner of Address A also owner of...
1. Address B
2. Address C
3. Address B and address C
4. Neither