God I wish I did anything interesting enough to merit that level of concern.
Taking the time to install a custom ROM, run only FOSS apps, or find workarounds for needed apps, etc only to spend 90% of your time watching YouTube just doesn’t seem like a gain.
Think of it as reserving the right. Rights not exercised are lost. Retaining the ability to do something is valuable whether you need it right now or not. You may need it later.
Portability and the capacity to take pictures aside, but I also don’t go anywhere and my wife takes plenty of pictures of our kids anyway (backed up to my self-hosted NextCloud :^) ).