The Starbucks case is kind of funny.

So a union posted a pro Hamas comic with a pseudo Starbucks logo (related to the union), and people thought Starbucks endorsed Hamas

Conservatives hate Starbucks because they believe that it’s pro Hamas, pro Palestine, pro union, pro woke so they boycotted them

Pro Palestine people boycotted them because they’re enabling genocide

They’re basically getting attacked on all sides and most of those sides are incoherently wrong.

But ultimately it doesn’t do anything because these boycotts are largely unorganized