Before you screech about this making it easier to kill hermits, this is for your own good.
Remove the rage skill, allow all characters to attack other people, transfer the cost of rage into other skills like theft and vandalism, you can even increase their cost more.
What about the alt spam? You can already do that, just place a claim that dried in 8h (easy to miss), expand it to where you will spam alts (you aren't spawning alts in some random spot), now you can do this exact strategy in the current system. Does the 8 hour wait window and some lp cost make it non viable?
What about day 1 violence against hermits? It already happens, most ppl who bonk hermits have rage day 1 or so and vandalism day 2-3 without too much tryharding. Making theft and vandalism costs up will make it so the KO means nothing early on, you get some wounds that can be easily cured but your items and base is still there.
What about the gigachad hermit who invests fully into uac to beat the evil rage getting players. Doesn't matter, if you aren't competent enough to figure out getting rage is a number 1 priority you are not doubling their uac.
What about X, doesn't matter, you can already aggro with alts, you can already get rage on multiple characters early on VERY quickly. It literally helps everyone who isn't willing to rush rage day 1, and makes it a lot less annoying for those who are.
Now for the positive, no more need to rush rage day 1 if you want to actually be able to defend your inactive claim (other forum topic also being relevant but i think it's not drastic enough), suddenly all your fellow hermit villagers can help you fight if you get attacked outside of your claim, everyone's gangsta day 1 until 5 people with 10 uac aggro them, no more day 4 haha i have 50 uac but i didn't get rage uwu. The game should not only allow but also teach you from the first hour that you can defend your shit without some arbitrary 50k lp cost.