[mindslight]

Trader Joe owns the stores, and he also owns the warehouses.

[SeanLuke]

A reasonable parsing at the time of the article I suppose (2016), but not today: Trader Joe (Joe Coulombe) cannot possibly own warehouses, as he died in 2020.

[mindslight]

Trader Joe lives on in spirit, along with Trader José and Trader Giotto.

[netizen-936824]

I think this option makes the most sense, rather than treating "Trader Joe's" as one unit that has different rules than normal language