Sure, it is officially not allowed, but plenty of people use it without being banned. I’m ultra-casual in PoE and even I’ve seen reference to crap like “tape a popsicle stick across your flask keys to press them all at the same time”. It sounds goofy as hell to me but I bet people have done it.
One action, 5 reactions, and completely undetectable.
I respect the stance that you’re taking against doing things that a game developer states are against their game’s rules. I’m the same way, personally…but the thing is, it doesn’t matter how much you say “it’s against the rules”. If there are undetectable ways to do it, people WILL do it. Hell, people will use detectable means as well, and sometimes some of them even get banned for it.
Some people just like automating things to see what they can get away with. Some people have carpal tunnel and have to choose between automating things and not playing at all. Some people use bots for more nefarious purposes like grinding levels while they sleep, or grinding gear to sell for in-game resources or real money.
The best thing a game creator can do is realize up front that there will be players playing outside the rules, and some of them will be using undetectable methods to do so. It’s part of the cost of doing business. Having autocast functionality for some skills might make sense, but that doesn’t mean the devs should design the game to play itself while you watch, even if there might be outlier players who use automation to do exactly that.
The fact that some players will automate things doesn’t mean the grindy aspects of the game should be designed around it and “legit” players punished.
The fact that some players will use other means to have an advantage in a player-driven economy doesn’t mean that resources should be extra scarce to account for it, and “legit” players wind up punished.
At the end of the day, as long as a player who plays the game as intended (whatever that winds up meaning) has a fun, satisfying experience and gains power at whatever rate is considered normal by the devs…then balance is in the right place. You don’t balance around outliers, you balance around the masses who will be playing the game as intended.
In addition, as a player yourself, you need to accept that people will bend/break the rules or stretch the definition of what is allowed, and there’s nothing you (or the devs, in some cases) can do about it.