You're a non-monetizer, just like 95% of the players. The game will make you some form of offer in order to convert you into a paying minnow, dolphin or whale. Whales are rare, less than a percent of the players, but they generate a significant amount of the revenue.

Companies compare their conversion rate with each other and have specific goals to meet. 5% for example is good. If your company has say 3%, you'll want to focus on improving that. Each product will have a specific goal here, and otherwise is shut down because there's a customer acquisition cost. Games easily cost more to market than to develop.

A lot of effort is spent on the first offer. This is where you'll see a screen that makes an amazing offer you'll seriously consider. It'll have something that is high value but incredibly cheap and so temporary. This isn't to earn money, it's simply to convert you. Because after you've spent your first dollar you're likely to keep spending.