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 | This essay could benefit from being converted into a how-to-guide. It contains some non-opinionated instructional content related to the processes or procedures of some aspect(s) of Wikipedia's norms and practices. |
Wikipedia contributors use the term "vandalism" to refer to changes which are intentionally unconstructive. Such changes may be removal of useful content, addition of nonsense, malicious code or deliberate introduction of factual errors. Vandalism should be removed when found, as it makes articles unhelpful to readers. The problem is that "locking" (using basic term for new people) the pages would lead to lesser contributions and act as a barrier on free speech but not locking the page could always lead to vandalism. Finding a balance, a place in the middle, has always been tough.