Vector 1.6.0 introduces new data-touching problems

[lgray]

Vector Version

1.6.0

Python Version

python 3.9

OS / Environment

Coffea CI environment.

Describe the bug

See CI log here: https://github.com/scikit-hep/coffea/actions/runs/12879110060/job/35906101676#step:11:2143

Data touching is not working properly in very simple integration tests.
We may need to yank 1.6.0 and fix it.

Any additional but relevant log output

No response