schucks
The travesty isn't even perhaps brought about by Google directly. It may in fact be a reluctance of people to question the status quo or at least be heard in doing so. If nothing else, this blog is exactly what people need to deliberate over without prejudice toward the writer, and perhaps some knowledge or value will come from that.
Whatever it is, we're left with a fairly opaque 10 site list that people rarely delve beyond. And I hear the complaints already from some, sure it ever so slightly customisable, but I certainly haven't cared to do so for years.
For those people I suggest they consider their fundamental reason for taking a vacation in the first place.
I think the prevalence of aggregation on holiday sites is simply causality of these companies not having a clear direction for their business. After all, it's easy to aggregate everything with the money and time to do so. But where is the value add?