Things were really really different then. Youtube was two years old, Facebook had only been open to non students for less than a year. Things like making databases of electronic parts or other less sexy B2B style ideas were often still wide open green fields with almost no competition. Plus just making websites work was tough, the cloud existed but just getting servers to work and stay up was a non trivial part of launching something.
You can't just do the X + Software formula anymore and expect to get anywhere.