The 30.0* signs are basically “no trespassing” sign that property owners (stores shops buildings etc) may elect to refuse entry to persons in various modes of carry. Most commonly will allow people to conceal carry with a license. Most places (in mid-large cities) don’t want people walking around openly carrying a gun in their place of business.

The 51% is alcohol & guns don’t go well together. Conservative Texas would probably like to do away with alcohol altogether, they still only allows beer & wine sales on Sunday and only because Sunday Football. Liquor bottles can only be bought at liquor stores (except on sunday). Unlike California where you can pick up some Johnnie & Jameson with school supplies and toilet paper before church.

Most regulations are on when and how you use the firearm. Having a LTC means you have a little more forgiveness for trespassing because the signs were hidden behind the door or plants etc. Constitutional carry will still be charged. But LTC has more penalties for misuse, such as brandishing to intimidate carries greater penalties