Earlier quoted context omitted.
If you aren't seeking out the loopholes that apply to you, then you are paying more in taxes than you are legally required to. "legally required to" does not incur a balancing test between what is practicable vs the time it takes. If you're a regular, mid-income citizen, then there isn't likely to be a good ROI on hiring a dedicated accountant to find you loopholes. If you're making $200k a year, and you save 10%, ho…
The difference between "many Americans" (actually other highly-taxed subjects are probably the same) and hideous unkillable corporate zombies like Ikea is that the little people use the tax laws as they are. The corporate monsters write the tax laws, to their own exclusive benefit, in every nation they invade. That's not an option for the little people.
OTOH, it is rarely so simple, since many of the little people work for those companies. When your employer does this stuff, it is probably good for you.