That's why I added the clause: > unless the particular wheel you're reinventing is core to the product/service your startup makes If it's core to your product

That's why I added the clause: > unless the particular wheel you're reinventing is core to the product/service your startup makes If it's core to your product/service, absolutely reinvent the hell out of that wheel. That's your business. Put pneumatic spokes on it. Add a touchscreen. Embed a bespoke LLM. Go nuts. Just stay focused on your customers. Don't do a bunch of things that are frankly just resume builders for your senior engineers and don't add value for your customers.