> Why is it "incredibly important"? You said that, but didn't continue.

I explained it in the following sentence: Leaving it out is an underhanded way of implying that he was trying to get ahold of someone about his own medical conditions, which has been the narrative across social media.

> Must grievances be only with employers/patrons to be valid?

A company doesn’t have to field phone calls from non customers who are angry at their industry. If you’re trying to suggest that companies have an obligation to field complaints from angry non-customers, using an example where someone went on to murder an employee of that company isn't making a compelling case.