Don't Apple and Google take 30% of all in-app sales as well? It's like your phone and internet company saying, "Well, guess we're gonna take 30% of all business

Don't Apple and Google take 30% of all in-app sales as well? It's like your phone and internet company saying, "Well, guess we're gonna take 30% of all business you do over the phone or internet" or your rental company demanding 30% of your income.