That's Denial Of Service, DOS, and may be considered malicious by many, including genuine web sites and Law Enforcement Agencies; - description of DOS and - the legal situation in some countries.

Your choice there but it is not a method I would ever recommend to others in these forums and elsewhere.

Personally I have little problem with spam and that is because of a combination of good practices and spam filtering by my ISP, so I see little to recommend in your method.

I did see where you said "Don't spam forums etc" and I am pleased that you agree this is not good, because you will have noticed that your first post in these forums was deleted because you spam linked to your own blog. We routinely delete spam posts.