This is absolutely not true as Steam and other niche streaming sites have proven. When you make it easier to buy what you're selling, rather than doing everything in your power to nickel and dime consumers to pad your stock price, people are fine paying for those services and you don't need ads.
Historically speaking, your statement is false, and there are multiple examples to prove it.
they literally raise the price every other week do you think that's sustainable to keep paying for (which is saying yes please take more money each time you pay)