You can't really engage as a consumer without enabling shitty practices on some level, and that's particularly true of electronics.
The phone you're using to access Beehaw? Assembled by child labor or wage slaves somewhere in Asia. Even if you assembled it yourself, the parts were manufactured unethically.
It's not just Amazon or Nestle. You might as well criticize someone for breathing because unethical consumption, on some level, is inevitable, particularly so if you live in a capitalist country.
I use Brave because its ad block feature works better than the others I've tried, plain and simple.
But, by all means, people can still be as holier than thou as they like.