Question for those opposed to spanking. How would you deal with a child (say 10 y/o) who repeatedly plays with fire? He has already caught the curtains on fire once, you've caught him in his room with matches again after this? He does not have fear of retribution, does not play video games.
Please keep the "just beat him or cut his hands off comments to yourself", they do nothing to help your position, just show you can only deal in extremes.
10 is a big deal. If that's the actual age of the kid, I say get him into counseling immediately. A 10-year old has the capacity to understand consequences and be able to make basic judgments about things. A child playing with fire at 10 can be very dangerous now and in the future.
If it's not the case that he simply overestimates his ability to control the fire, or if it goes deeper than that (and it sounds like it may, given that you've caught him with matches since), there are probably much bigger things that need to be addressed.
As far as spanking goes, I seriously doubt it would keep him from being fascinated with fire, unless it's a bad enough spanking to strike legitimate fear of you into his heart. In which case, it's probably not terribly healthy long term and may actually make the fire-setting worse given the possible motivations for it.
Where is he getting matches?