It's called a "concealed carry" permit, not a "pull it out and wave it around" permit.
Texas Penal Code 46.035. UNLAWFUL CARRYING OF HANDGUN BY LICENSE HOLDER. (a) A license holder commits an offense if the license holder carries a handgun on or about the license holder's person under the authority of Subchapter H, Chapter 411, Government Code, and intentionally displays the handgun in plain view of another person in a public place.
Extenuating circumstance.
The man was in reasonable fear for his life.
You've been told that previously (by somebody, I do not remember who) on this same precise issue.