No problem is too big it can't be run away from
If you think penguins are fat and waddle, you have never been attacked by one running at you in excess of 100 miles per hour.
The fact that ACPI was designed by a group of monkeys high on LSD, and is some of the worst designs in the industry obviously makes running it at any point pretty damn ugly.
Right now some people are just running around in circles and claiming that moving things to the kernel automatically makes it more stable. I'm telling you that the kernel is stable not because it's a kernel, but because I refuse to listen to arguments like this.