This is called whataboutism. This article is not about Amazon or Google. He likely has a similar opinion about those companies. But this is about Apple and the tax avoidance point is valid. (At least according to https://itep.org/fact-sheet-apple-and-tax-avoidance/ )
I see a lot of people defending the page this way, but to me the problem is that a webpage about ‘what’s wrong with Apple’ implies a list of issues specific to Apple. Most of the issues brought up here belong on a ‘what’s wrong with modern tech companies’ page, since they are issues found throughout the industry.