It's fine for a wet vent in some states. If your going to be that close to 8 feet on a 2" trap arm you have to make sure your slope is correct. Overslope and your not vented, underslope amd you get bad drainage.
Amd chat gpt doesn't know anything about plumbing. Ask it the same question over and over again differentl and you get differnt answers. Ask it specific questions about where and when and why it came up with an answer and it'll give you the wrong answer but insist it's right even though it's showing you that it's wrong. AI is a very good internet seach tool that grabs things it found in common. It can't actually think.