You’re probably right.
The reason I sound a bit pedantic (sorry) is because I do think there are a few too many “accepted truths” and dogma in our community these days. There are so, so many variables that decide whether we succeed or fail. For that reason, I do feel the best way forward with any idea, product, business, whatever, is to try stuff, test it, fix what’s broken, decide whether to continue as a continual learning process.
To that end, while one has to make a decision at some point what to do, so rules of thumb are useful to get started, you also have to trust your own path.