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Products exponentially grow in complexity.
Similar psychology:
Likely impacts:
When advanced tools have built up in the interface over time, you could offer a lite mode that strips away the advanced components, leaving a simpler version to use.

Try a simple mode with slightly larger buttons, clearer labels and fewer options shown at once, so the main actions are easier to find as the product grows.

One option is a separate mode that removes features like filters and notifications, so the core experience isn't buried under extras some people don't need.

In an onboarding to-do list, consider collapsing the advanced items into their own section, so the basics come first and the extras are there for anyone who opens it.

It may help to let tooltips disappear after a few seconds, so guidance on a busy screen doesn't become another permanent layer of complexity.

Adding features release after release can bury everyday actions, so users may take longer to find them and complete routine tasks more slowly.
Each new feature makes sense alone, but together they may leave new users struggling to understand how the product works, making it feel harder to use than it used to.