I wish to remind you that complaining would depend on the country. In top countries, the tax is duly used that it makes sense to pay it as required. If you’re in a country where the tax isn’t used properly maybe due to bad politicians in power then I understand your why. I think the reason why tax isn’t asked from people with lower earning is because it’s not so much to get from them, and yet they’d keep struggling. As we can tell, wealthy people have more and the tax isn’t a lot for them to pay.