Most would say that there need to be a balance between what you are  getting out of society and what you are putting back in.<p>For instance deducting your purchase of a computer because you need it for your company is seen as beneficial for both society and for you.<p>Deducting large investments is also seen as in balance with what you get out of the society you conduct your business in.<p>Channeling money out of the country purely to avoid paying them in taxes is not.<p>The difference between what I would consider &quot;morally just&quot; tax planning and suspicious tax avoidance is trying to take money out of the ecosystem that you benefitting from to make those money.<p>It&#x27;s not black and white but it&#x27;s not entirely fuzzy either.