What you’re describing is the organic growth of a platform. The web is undeniably more complex than it was twenty years ago but needs are more complex too. Yes,

What you’re describing is the organic growth of a platform. The web is undeniably more complex than it was twenty years ago but needs are more complex too. Yes, the complexity does benefit major players but that isn’t the reason the complexity exists. It’s ironic you’re saying that CSS is some form of vendor lock in. I have to imagine that if Google proposed a new layout engine for the web tomorrow they’d be roasted to kingdom come for their attempt at taking over the web.