The role of curation has been eliminated as the majority of value is captured by the platforms so it is no longer economically viable. With fewer and weaker intermediaries, we also reduce the amount of independent points of views or windows to the world.
Braintrust serves the increasing demand for freelancers - they can aggregate the demand because it's a no-fee model. We can finally unbundle the trillions of dollars in the W2 stack.
Once you master all of that, you will need to develop product vision (conviction about where things are going in the future, make the hard calls about what to eliminate, etc) and strive to make something truly great. You can think about it not just as eliminating customer pain, but actually creating customer delight.
Interestingly, Nike has been pulling out of what it calls “undifferentiated retail”: stores that are too broad in their target customer. One example of this is when they pulled their products out of Amazon.
The problem is there are no simple “right” answers for most Web design questions (at least not for the important ones). What works is good, integrated design that fills a need—carefully thought out, well executed, and tested