People forget that prices don't rise automatically. Businesses decide to raise prices. There isn't some magical force called inflation cuasing prices to go up. It's human decision-making all the way down.
People forget that high prices aren't paid automatically. Consumers decide to purchase things at the higher prices, it's human decision-making all the way down.
Human decisions but usually with external factors: increasing costs, pressure to grow, etc.
If they could get away with raising price just because they feel like it they would do it earlier and more often.