The dot-com implosion meant that you can't go public without revenue. The bar for IPOs then shifted far upward (even irrationally so) and has remained there since.
9/11 permanently moved the bar on state surveillance, war powers granted the president, and screenings. That mostly hadn't happened after prior hijackings or accidents.
The Columbia disaster killed the Space Shuttle Program.
There are many events that permanently transform affected systems. Coronavirus is a once in a century curveball and we are in the first chapter of many in the COVID-19 book. Many things will change. We don't know how many yet.
The dot-com implosion meant that you can't go public without revenue. The bar for IPOs then shifted far upward (even irrationally so) and has remained there since.
9/11 permanently moved the bar on state surveillance, war powers granted the president, and screenings. That mostly hadn't happened after prior hijackings or accidents.
The Columbia disaster killed the Space Shuttle Program.
There are many events that permanently transform affected systems. Coronavirus is a once in a century curveball and we are in the first chapter of many in the COVID-19 book. Many things will change. We don't know how many yet.