Way more $ going to investing into startups recently

Usually in a recession businesses are shut down, and don't open.

Startups have tons of money now, hundreds of millions or billions, and this can be contrasted to startups in previous decades which had a million or a few million. Well capitalized, competing warchests of cash.
 
Thousands of companies, in competition with each other, who are in no rush to turn profitable. They can try 5 or 6 things before they need to have a success.