Initial public offerings whose market capitalizations rank within the Nasdaq 100’s top members will normally be eligible to be included after 15 days of trading, Nasdaq said in a statement. The timeline is shortened from at least three months currently.

“Industry professionals, including asset managers and institutional passive portfolio managers, were mostly supportive of the Fast Entry proposal and proposed timing,” Nasdaq said in the statement.

15 days vs 90 days isn't some huge shift nor is it inherently some "flaw." These changes have been asked for long before Elon entered the White House.