Hey, nothing in life is 100% useful 100% of the time. Look at car ownership for instance. Most of the time they just sit there static, costing us a fortune.You don’t need 1TB of image and video data on your phone. I’m not advocating just turning off ‘keep originals’ if you like to have the full-res ones knocking around, but there is no way anyone has the time to actually look back at that many videos and images regularly.
This data is incredibly important but it’s not 100% useful 100% of the time.
It will be videos clogging up your storage. True, these are precious memories. But it might be worth sorting through them and deleting the largest or ones you don’t want to keep. Consider recording at 1080p as well instead of 4K.
Back everything up to your PC/Mac. Make sure you have iCloud as another backup solution and further copies on an external drive.
You can then use an Apple TV to pull them off your network to look at them on your TV or from iCloud.
Have fun!
This is what we do.