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"Perfect competition" is a specific economic concept. The dictionary definition of "competition" doesn't really apply to this discussion.

Merriam-webster, the height of technical excellency. We should all strive to educate ourselves using this indubitable resource.

That's like responding to an article about new Python language features by pointing out that the author doesn't know anything because actually pythons are big snakes: https://www.merriam-webster.com/dictionary/python