I love the variety and strategy trinkets are bringing to the game in 2.4! They do add to early game inventory pressure, which for me is the most frustrating part of the game (juggling a full inventory, throwing stuff down pits, running back and forth).
If trinkets were stored in the velvet pouch instead of the main inventory it would at least keep inventory pressure the same as it is now, without adding to it.
I opted to let them sit in the inventory mainly because they're a sort of pseudo-equipment, and wanted them to sit near those items. I'm aware that inventory pressure continues to be an issue for some folks, but was hoping that making alchemize so much cheaper might help with that.
edit: also, while this certainely isn't 1:1, trinkets will usually replace a different regular item drop in the early parts of the game.
I still never understood why magical porter was removed. Yes, alchemize replaced the merchant beacon, but magical porter served a different role. At the very least alchemize should allow the old porter effect as an option, which would be another way to help with inventory management.
I mainly removed magical porter because it had extremely, extremely low usage. It made more sense to push alchemize than having magical porter still exist and compete with it.