I find it amusing that the title claims that the cost is 20% on every step but the article itself says that the value varies and is not unique for every busines

I find it amusing that the title claims that the cost is 20% on every step but the article itself says that the value varies and is not unique for every business. What's the point of choosing 20% in an arbitrary way like this? Following this line of thought we could rename the article to "Every Step Costs You 50% of Users" if we chose that case as the example.