Creating a business plan is not absurd when starting a startup. In fact, it can be quite helpful in a number of ways.
First, a business plan can give you a clear roadmap to follow as you launch and grow your business. This can be especially helpful if you're not sure where to start or what direction to take your business in.
Second, a business plan can help you secure funding from investors or lenders. This is because investors and lenders will often want to see a business plan before they decide to invest or lend money to a startup.
Third, a business plan can help you to stay organized and on track as you launch and grow your business. This is because a business plan can help you to track your progress and ensure that you're taking the right steps to grow your business.
Overall, there are many good reasons to create a business plan when starting a startup. So don't be absurd - create a business plan and use it to help you launch and grow your business!