Until those people control the Texas government, I don’t see the relevance.
I grew up in South Africa during the apartheid era, when black people weren’t allowed to vote or even participate in the economy at much beyond the level of slaves. I didn’t get upset when people criticized South Africa, or boycotted it, because the country’s actions certainly justified that.
The entire US is in much the same situation now: in the process of flushing democratic governance down the toilet, elevating open corruption to the standard way of doing business, and flirting with authoritarianism to a degree virtually unimaginable just a few years ago.
In that context, the #notalltexans whine sounds rather muffled from all that sand you’ve stuck your head in.