Totally get this. We brought in a new dev last year, and he spent almost a month just figuring out how everything connects… then priorities shifted and half of that context became useless. It’s draining. We started testing external teams that are used to jumping into messy setups, and it helped speed things up. This piece also gave me a different perspective on where teams get stuck: [commercial maturity models](https://heimdallpartner.com/insights/commercial-excellence/maturity-models-u-s-businesses/) might resonate with your situation.