Hope not. Jic fittings require two wrenches to seal. I’ve met extractors who thought finger tight was appropriate. It’s not.
If you didn’t ALSO open the valve on the tank, this setup would not work.
And, as mentioned (phase diagrams and all), you want to cool the target tank to reduce back pressure, which the video neglected.
When you tried to flow liquid into a tank 20C above its boiling point, it should not have surprised you that it turned into a gas and resisted you.
It did.
Wrapping your head around why is worth your time.
As is checking back in and confirming you grabbed the correct end of the stick this time around