It's more that web3 was created as a marketing term to escape the bad reputation cryptocurrencies had developed over the first decade or so. “web2 people” don't really exist — it's just the web, which all of the “web3” projects also rely on. When someone builds something useful with web technologies, the definition of “web” will expand to include it. If they end up with a stack which doesn't bridge to the web, it'll get a different name.