It might be true that things like Shopify help to resucitate it, but I'm skeptical. I also don't care about things "feeling" small when they actually vast: this is nothing more than a marketing (de|il)lusion, and does nothing to promote the kind of diversified, distributed form of a resilient, vibrant, equitable and opportunity-filled economy.
We have seen tons of boutique online vendors pop-up however. I wonder how the total diversity compares?
A new age "general store" that was a group of small online vendors getting together (shared ownership) might be an interesting way to resurge local business - imagine like a co-op but for small businesses all under shared physical locations. Products and vendors could even rotate out depending on the season and local population.