first, it's not my problem if the existence of a handgun is intimidating to you. Second, you excluded the fact that he starts his encounter by running at people.
Third, since 2021 in Texas a license to carry is only useful to skip the background check when buying a firearm and to be reciprocated in other states that require a license to carry. There is no license requirement for either concealed carry or open carry in Texas.
Also: cope, seethe and dilate all you want. But you'll keep your distance anyway.
Statistically speaking, my time is more valuable than most of the people i encounter at the grocery store. Not that it matters in terms of being courteous.
The cart argument is stupid because the store pays people specifically to corral the carts. If the cart corralling is poor quality that's an issue for the business. Do you sperg out on other customers when the gas station bathroom is dirty?