Did they say they were going to put YouTube out of business? The FCC threatened to take away ABCs broadcast license.
The other distinction you seem to be ignoring is that the Biden administration was doing it because of public health concerns. Trump and the FCC was doing it because a comedian said meab things aboit him and a devout racist.
What favoritism did the Biden administration show? They still went after Google for being a monopoly.
Unlike Trump who only had his administration approve the Paramount deal after accepting a $15 million bribe in public