[overcast]

No one in their right mind would fill a 1TB card before swapping. That's an insane amount of potential lost. I could see it as a secondary backup disk in DSLR about it.

[eropple]

If you're recording 4K video, a terabyte is about two hours of recording time. Plenty of folks will fill that before swapping.

[DanBC]

Nobody in their right mind would have thousands of photos with no backup, but most people never backup anything.

[overcast]

So what's your argument here, that you agree with me?

[vidarh]

He is saying that people will fill a 1TB card before swapping exactly the same way that people often leave thousands of photos floating around without backup.